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time period

DEFINITIONS OF: time period

n an amount of time

Synonyms:: period, period of time

Examples:: show 30 examples...; hide 30 examples...; Bronze Age
(archeology) a period between the Stone and Iron Ages, characterized by the manufacture and use of bronze tools and weapons; Iron Age
(archeology) the period following the Bronze Age; characterized by rapid spread of iron tools and weapons; Stone Age
(archeology) the earliest known period of human culture, characterized by the use of stone implements; Eolithic Age
the earliest part of the Stone Age marked by the earliest signs of human culture; Paleolithic Age
second part of the Stone Age beginning about 750,00 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC; Lower Paleolithic
the oldest part of the Paleolithic Age with the emergence of the hand ax; ended about 120,000 years ago; Middle Paleolithic
the time period of Neanderthal man; ended about 35,000 years BC; Upper Paleolithic
the time period during which only modern Homo sapiens was known to have existed; ended about 10,000 years BC; Epipaleolithic
middle part of the Stone Age beginning about 15,000 years ago; Neolithic Age
latest part of the Stone Age beginning about 10,000 BC in the Middle East (but later elsewhere); Great Schism
the period from 1378 to 1417 during which there were two papacies in the Roman Catholic Church, one in Rome and one in Avignon; Age of Reason
a movement in Europe from about 1650 until 1800 that advocated the use of reason and individualism instead of tradition and established doctrine; Elizabethan age
a period in British history during the reign of Elizabeth I in the 16th century; an age marked by literary achievement and domestic prosperity; Victorian age
a period in British history during the reign of Queen Victoria in the 19th century; her character and moral standards restored the prestige of the British monarchy but gave the era a prudish reputation; 8 May 1945
the date of Allied victory in Europe, World War II; 15 August 1945
the date of Allied victory over Japan, World War II; Caliphate
the era of Islam's ascendancy from the death of Mohammed until the 13th century; some Moslems still maintain that the Moslem world must always have a calif as head of the community; Christian era
the time period beginning with the supposed year of Christ's birth; Baroque period
the historic period from about 1600 until 1750 when the baroque style of art, architecture, and music flourished in Europe; Middle Ages
the period of history between classical antiquity and the Italian Renaissance; Renaissance
the period of European history at the close of the Middle Ages and the rise of the modern world; a cultural rebirth from the 14th through the middle of the 17th centuries; Italian Renaissance
the early period when Italy was the center of the Renaissance; technological revolution
the transformation from an agricultural to an industrial nation; Reign of Terror
the historic period (1793-94) during the French Revolution when thousands were executed; Harlem Renaissance
a period in the 1920s when African-American achievements in art and music and literature flourished; New Deal
the historic period (1933-1940) in the United States during which President Franklin Roosevelt's economic policies were implemented; Reconstruction Period
the period after the American Civil War when the southern states were reorganized and reintegrated into the Union; 1865-1877; Restoration
the reign of Charles II in England; 1660-1685; Great Depression
a period during the 1930s when there was a worldwide economic depression and mass unemployment; Regency
the period from 1811-1820 when the Prince of Wales was regent during George III's periods of insanity

Types:: show 334 types...; hide 334 types...; test period, trial period
a period of time during which someone or something is tested; time frame
a time period during which something occurs or is expected to occur; hours
an indefinite period of time; downtime
a period of time when something (as a machine or factory) is not operating (especially as a result of malfunctions); uptime
a period of time when something (as a machine or factory) is functioning and available for use; work time
a time period when you are required to work; time off
a time period when you are not required to work; bout
a period of illness; hospitalization
a period of time when you are confined to a hospital; travel time
a period of time spent traveling; times
a more or less definite period of time now or previously present; time
an indefinite period (usually marked by specific attributes or activities); elapsed time
the time that elapses while some event is occurring; continuance, duration
the period of time during which something continues; calendar week, week
a period of seven consecutive days starting on Sunday; midweek
the middle of a week; field day
a time of unusual pleasure and success; life, life-time, lifespan, lifetime
the period during which something is functional (as between birth and death); life
the period between birth and the present time; life
the period from the present until death; millenary, millennium
a span of 1000 years; bimillenary, bimillennium
a span of 2000 years; occupation
the period of time during which a place or position or nation is occupied; past
a earlier period in someone's life (especially one that they have reason to keep secret); shelf life
the length of time a packaged food or drug will last without deteriorating; puerperium
time period following childbirth when the mother's uterus shrinks and the other functional and anatomic changes of pregnancy are resolved; lactation
the period following birth during which milk is secreted; time of life
a period of time during which a person is normally in a particular life state; calendar day, civil day
a day reckoned from midnight to midnight; festival
a day or period of time set aside for feasting and celebration; day, daylight, daytime
the time after sunrise and before sunset while it is light outside; forenoon, morn, morning, morning time
the time period between dawn and noon; dark, night, nighttime
the time after sunset and before sunrise while it is dark outside; night
the time between sunset and midnight; night
the period spent sleeping; night
a period of ignorance or backwardness or gloom; eve
the period immediately before something; evening
the early part of night (from dinner until bedtime) spent in a special way; hebdomad, week
any period of seven consecutive days; fortnight, two weeks
a period of fourteen consecutive days; weekend
a time period usually extending from Friday night through Sunday; more loosely defined as any period of successive days including one and only one Sunday; Indian summer, Saint Martin's summer
a period of unusually warm weather in the autumn; year
the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun; school, school day, schooltime
the period of instruction in a school; the time period when school is in session; twelvemonth, year, yr
a period of time containing 365 (or 366) days; year
a period of time occupying a regular part of a calendar year that is used for some particular activity; semester
half a year; a period of 6 months; bimester
a period of 2 months; Olympiad
one of the four-year intervals between Olympic Games; used to reckon time in ancient Greece for twelve centuries beginning in 776 BC; lustrum
a period of five years; decade, decennary, decennium
a period of 10 years; century
a period of 100 years; quadrennium
a period of four years; quinquennium
a period of five years; half-century
a period of 50 years; quarter-century
a period of 25 years; quarter
a fourth part of a year; three months; phase of the moon
a time when the Moon presents a particular recurring appearance; day
the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis; calendar month, month
one of the twelve divisions of the calendar year; mid-January
the middle part of January; mid-February
the middle part of February; mid-March
the middle part of March; mid-April
the middle part of April; mid-May
the middle part of May; mid-June
the middle part of June; mid-July
the middle part of July; mid-August
the middle part of August; mid-September
the middle part of September; mid-October
the middle part of October; mid-November
the middle part of November; mid-December
the middle part of December; time limit
a time period within which something must be done or completed; term
a limited period of time; trimester
a period of three months; especially one of the three three-month periods into which human pregnancy is divided; hour
a special and memorable period; silly season
a time usually late summer characterized by exaggerated news stories about frivolous matters for want of real news; Golden Age
(classical mythology) the first and best age of the world, a time of ideal happiness, prosperity, and innocence; by extension, any flourishing and outstanding period; silver age
(classical mythology) the second age of the world, characterized by opulence and irreligion; by extension, a period secondary in achievement to a golden age; bronze age
(classical mythology) the third age of the world, marked by war and violence; iron age
(classical mythology) the last and worst age of the world; Platonic year, great year
time required for one complete cycle of the precession of the equinoxes, about 25,800 years; regulation time
(sports) the normal prescribed duration of a game; extra time, overtime
playing time beyond regulation, to break a tie; season, time of year
one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions; canicular days, canicule, dog days
the hot period between early July and early September; a period of inactivity; midwinter
the middle of winter; season
a recurrent time marked by major holidays; season
a period of the year marked by special events or activities in some field; age, long time, years
a prolonged period of time; long haul, long run
a period of time sufficient for factors to work themselves out; drought, drouth
a prolonged shortage; epoch, era
a period marked by distinctive character or reckoned from a fixed point or event; generation
the normal time between successive generations; prehistoric culture, prehistory
the time during the development of human culture before the appearance of the written word; reign
a period during which something or somebody is dominant or powerful; run
the continuous period of time during which something (a machine or a factory) operates or continues in operation; early days, youth
an early period of development; dawn
an opening time period; evening
a later concluding time period; time
a period of time considered as a resource under your control and sufficient to accomplish something; nap, sleep
a period of time spent sleeping; lease, term of a contract
the period of time during which a contract conveying property to a person is in effect; half life, half-life
the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate); lunar time period, tide
there are usually two high and two low tides each day; phase, stage
any distinct time period in a sequence of events; multistage
occurring in more than one stage; watch
the period during which someone (especially a guard) is on duty; peacetime
a period of time during which there is no war; wartime
a period of time during which there is armed conflict; duty tour, enlistment, hitch, term of enlistment, tour, tour of duty
a period of time spent in military service; honeymoon
the early (usually calm and harmonious) period of a relationship; business or political; indiction
a 15-year cycle used as a chronological unit in ancient Rome and adopted in some medieval kingdoms; prohibition, prohibition era
the period from 1920 to 1933 when the sale of alcoholic beverages was prohibited in the United States by a constitutional amendment; incubation period
the period between infection and the appearance of symptoms of the disease; rainy day
a (future) time of financial need; noviciate, novitiate
the period during which you are a novice (especially in a religious order); bloom, blossom, efflorescence, flower, flush, heyday, peak, prime
the period of greatest prosperity or productivity; running time
the length of time that a movie or tv show runs; clotting time
the time it takes for a sample of blood to clot; used to diagnose some clotting disorders; air alert
the time period during which military and civilian agencies are prepared for an enemy air attack; question time
a period during a parliamentary session when members of British Parliament may ask questions of the ministers; real time
(computer science) the time it takes for a process under computer control to occur; real time
the actual time that it takes a process to occur; study hall
a period of time during the school day that is set aside for study; usance
the period of time permitted by commercial usage for the payment of a bill of exchange (especially a foreign bill of exchange); window
the time period that is considered best for starting or finishing something; harvest, harvest time
the season for gathering crops; haying, haying time
the season for cutting and drying and storing grass as fodder; diakinesis
the final stage of the prophase of meiosis; diplotene
the fourth stage of the prophase of meiosis; leptotene
the first stage of the prophase of meiosis; pachytene
the third stage of the prophase of meiosis; phase of cell division
a stage in meiosis or mitosis; zygotene
the second stage of the prophase of meiosis; 24/7
uptime is 24 hours a day 7 days a week; hours
a period of time assigned for work; face time
work time spent at the location of or in the presence of other people; compensatory time
time off that is granted to a worker as compensation for working overtime; contemporary world, modern times, modern world, present times
the circumstances and ideas of the present age; Roman times
the time period during which Rome dominated Europe; day
some point or period in time; dead
a time when coldness (or some other quality associated with death) is intense; hard times
a time of difficulty; incarnation
time passed in a particular bodily form; OWLT, one-way light time
the elapsed time it takes for light (or radio signals) to travel between the Earth and a celestial object; RTLT, round-trip light time
the elapsed time it takes for a signal to travel from Earth to a spacecraft (or other body) and back to the starting point; clocking
the time taken to traverse a measured course; longueur
a period of dullness or boredom (especially in a work of literature or performing art); residence time
the period of time spent in a particular place; span
the complete duration of something; stint, stretch
an unbroken period of time during which you do something; time scale
an arrangement of events used as a measure of duration; note value, time value, value
(music) the relative duration of a musical note; week, workweek
hours or days of work in a calendar week; day
the recurring hours when you are not sleeping (especially those when you are working); overtime
work done in addition to regular working hours; turnaround, turnaround time
time need to prepare a vessel or ship for a return trip; free time, spare time
time available for hobbies and other activities that you enjoy; day off
a day when you are not required to work; leisure, leisure time
time available for ease and relaxation; leave, leave of absence
the period of time during which you are absent from work or duty; days, years
the time during which someone's life continues; afterlife, hereafter
life after death; summer
the period of finest development, happiness, or beauty; age, eld
a time of life (usually defined in years) at which some particular qualification or power arises; neonatal period
the first 28 days of life; babyhood, early childhood, infancy
the early stage of growth or development; anal phase, anal stage
(psychoanalysis) the second sexual and social stage of a child's development during which bowel control is learned; genital phase, genital stage
(psychoanalysis) the fifth sexual and social stage in a person's development occurring during adolescence; interest focuses on sexual activity; latency period, latency phase, latency stage
(psychoanalysis) the fourth period (from about age 5 or 6 until puberty) during which sexual interests are supposed to be sublimated into other activities; oral phase, oral stage
(psychoanalysis) the first sexual and social stage of an infant's development; the mouth is the focus of the libido and satisfaction comes from suckling and chewing and biting; phallic phase, phallic stage
(psychoanalysis) the third stage in a child's development when awareness of and manipulation of the genitals is supposed to be a primary source of pleasure; childhood
the time of person's life when they are a child; schooldays, schooltime
the time of life when you are going to school; youth
the time of life between childhood and maturity; adolescence
the time period between the beginning of puberty and adulthood; prepuberty
a period of two years immediately prior to the onset of puberty when growth and changes leading to sexual maturity occur; puberty, pubescence
the time of life when sex glands become functional; teens
the time of life between the ages of 12 and 20; mid-twenties, twenties
the time of life between 20 and 30; 1900s
the decade from 1900 to 1909; 1530s
the decade from 1530 to 1539; 1920s, twenties
the decade from 1920 to 1929; 1820s
the decade from 1820 to 1829; mid-thirties, thirties, thirty-something
the time of life between 30 and 40; 1930s, thirties
the decade from 1930 to 1939; 1830s
the decade from 1830 to 1839; forties, mid-forties
the time of life between 40 and 50; 1940s, forties
the decade from 1940 to 1949; 1840s
the decade from 1840 to 1849; fifties, mid-fifties
the time of life between 50 and 60; 1950s, fifties
the decade from 1950 to 1959; 1850s
the decade from 1850 to 1859; 1750s
the decade from 1750 to 1759; mid-sixties, sixties
the time of life between 60 and 70; 1960s, sixties
the decade from 1960 to 1969; 1860s
the decade from 1860 to 1869; 1760s
the decade from 1760 to 1769; golden years
the time of life after retirement from active work; mid-seventies, seventies
the time of life between 70 and 80; 1970s, seventies
the decade from 1970 to 1979; 1870s
the decade from 1870 to 1879; 1770s
the decade from 1770 to 1779; eighties, mid-eighties
the time of life between 80 and 90; 1980s, eighties
the decade from 1980 to 1989; 1880s, eighties
the decade from 1880 to 1889; 1780s
the decade from 1780 to 1789; mid-nineties, nineties
the time of life between 90 and 100; 1990s, nineties
the decade from 1990 to 1999; 1890s, nineties
the decade from 1890 to 1899; 1790s
the decade from 1790 to 1799; bloom, bloom of youth, salad days
the best time of youth; adulthood, maturity
the period of time in your life after your physical growth has stopped and you are fully developed; bachelorhood
the time of a man's life prior to marriage; middle age
the time of life between youth and old age (e.g., between 40 and 60 years of age); widowhood
the time of a woman's life when she is a widow; age, eld, geezerhood, old age, years
a late time of life; deathbed
the last few hours before death; day
a day assigned to a particular purpose or observance; date
the particular day, month, or year (usually according to the Gregorian calendar) that an event occurred; church festival, religious festival
a festival having religious significance; day of the week
any one of the seven days in a week; afternoon
the part of the day between noon and evening; midafternoon
the middle part of the afternoon; eve, even, evening, eventide
the latter part of the day (the period of decreasing daylight from late afternoon until nightfall); weeknight
any night of the week except Saturday or Sunday; week from Monday
a time period of a week or more; rag, rag week
a week at British universities during which side-shows and processions of floats are organized to raise money for charities; Christian year, church year
the year in the ecclesiastical calendar; especially feast days and special seasons; Revolutionary calendar month
a month in the Revolutionary calendar; Holy Week, Passion Week
the week before Easter; Holy Year
(Roman Catholic Church) a period of remission from sin (usually granted every 25 years); New Year
the calendar year just begun; Michaelmastide
the season of Michaelmas; Lammastide
the season of Lammas; Eastertide
the Easter season; Twelfthtide
the season of Epiphany; Allhallowtide
the season of All Saints' Day; Christmas, Christmastide, Christmastime, Noel, Yule, Yuletide
period extending from Dec. 24 to Jan. 6; anomalistic year
time of the earth's revolution from perihelion to perihelion again; 365 days and 6 hr and 13 min and 53.1 sec; 365 days, common year
a year that is not a leap year; 366 days, bissextile year, intercalary year, leap year
in the Gregorian calendar: any year divisible by 4 except centenary years divisible by 400; off year
a year in which no major political elections are held; off year
a year in which productivity is low or inferior; calendar year, civil year
the year (reckoned from January 1 to December 31) according to Gregorian calendar; astronomical year, equinoctial year, solar year, tropical year
the time for the earth to make one revolution around the sun, measured between two vernal equinoxes; lunar year
a period of 12 lunar months; financial year, fiscal year
any accounting period of 12 months; academic year, school year
the period of time each year when the school is open and people are studying; annum
(Latin) year; quattrocento
the 15th century in Italian art and literature; twentieth century
the century from 1901 to 2000; new moon, new phase of the moon
the time at which the Moon appears as a narrow waxing crescent; half-moon
the time at which the Moon is at first or last quarter when half its face is illuminated; full, full moon, full phase of the moon, full-of-the-moon
the time when the Moon is fully illuminated; lunar day
the period of time taken for the moon to make one full rotation on its axis (about 27.3 sidereal days); sidereal year
the time for the earth to make one complete revolution around the sun, relative to the fixed stars; Gregorian calendar month
a month in the Gregorian calendar; Jewish calendar month
a month in the Jewish calendar; Islamic calendar month
any lunar month in the Muslim calendar; Hindu calendar month
any lunisolar month in the Hindu calendar; wedding night
the night after the wedding when bride and groom sleep together; limitation
(law) a time period after which suits cannot be brought; prison term, sentence, time
the period of time a prisoner is imprisoned; academic session, academic term, school term, session
the time during which a school holds classes; first trimester
time period extending from the first day of the last menstrual period through 12 weeks of gestation; second trimester
time period extending from the 13th to the 27th week of gestation; third trimester
time period extending from the 28th week of gestation until delivery; extra innings
overtime play until one team is ahead at the end of an inning; e.g. baseball; overtime period
a period of overtime play to resolve a tie; e.g. basketball; tiebreaker
overtime play in order to break a tie; e.g. tennis and soccer; sudden death
(sports) overtime in which play is stopped as soon as one contestant scores; e.g. football and golf; autumn, fall
the season when the leaves fall from the trees; spring, springtime
the season of growth; summer, summertime
the warmest season of the year; in the northern hemisphere it extends from the summer solstice to the autumnal equinox; winter, wintertime
the coldest season of the year; in the northern hemisphere it extends from the winter solstice to the vernal equinox; growing season
the season during which a crop grows best; seedtime
the time during which seeds should be planted; sheepshearing
the time or season when sheep are sheared; holiday season
a time when many people take holidays; high season, peak season
the season when travel is most active and rates are highest; off-season
the season when travel is least active and rates are lowest; rainy season
one of the two seasons in tropical climates; dry season
one of the two seasons in tropical climates; preseason
a period prior to the beginning of the regular season which is devoted to training and preparation; baseball season
the season when baseball is played; basketball season
the season when basketball is played; exhibition season
the time before the regular games begin when football or baseball teams play practice games; fishing season
the season during which it is legal to catch fish; football season
the season when football is played; hockey season
the season when hockey is played; hunting season
the season during which it is legal to kill a particular species; social season
the season for major social events; theatrical season
the season when new plays are produced; Advent
the season including the four Sundays preceding Christmas; Shrovetide
immediately preceding Lent; Lent, Lententide
a period of 40 weekdays from Ash Wednesday to Holy Saturday; Whitsun, Whitsuntide, Whitweek
Christian holiday; the week beginning on Whitsunday (especially the first 3 days); month of Sundays
a time perceived as long; aeon, eon
an immeasurably long period of time; blue moon
a long time; year dot
as long ago as anyone can remember; wee
a short time; patch, piece, spell, while
a period of indeterminate length (usually short) marked by some action or condition; bit, minute, mo, moment, second
an indefinitely short time; ephemera
something transitory; lasting a day; day
an era of existence or influence; year of grace
any year of the Christian era; Y2K
the year 2000 in the Gregorian calendar; chapter
any distinct period in history or in a person's life; age, historic period
an era of history having some distinctive feature; modern era
the present or recent times; reign of terror
any period of brutal suppression thought to resemble the Reign of Terror in France; press run, print run
the period that presses run to produce an issue of a newspaper; run-time
(computer science) the length of time it takes to execute a software program; space age
the age beginning with the first space travel; from 1957 to the present; beauty sleep
sleep before midnight; kip
sleep; incubation
(pathology) the phase in the development of an infection between the time a pathogen enters the body and the time the first symptoms appear; fertile period, fertile phase
the time in the menstrual cycle when fertilization is most likely to be possible (7 days before to 7 days after ovulation); menstrual phase
the phase of the menstrual cycle during which the lining of the uterus is shed (the first day of menstrual flow is considered day 1 of the menstrual cycle); musth
an annual phase of heightened sexual excitement in the males of certain large mammals (especially elephants); is associated with discharge from a gland between the eye and ear; luteal phase, secretory phase
the second half of the menstrual cycle after ovulation; the corpus luteum secretes progesterone which prepares the endometrium for the implantation of an embryo; if fertilization does not occur then menstrual flow begins; generation
a stage of technological development or innovation; apogee, culmination
a final climactic stage; seedtime
any time of new development; incumbency, tenure, term of office
the term during which some position is held; golden age
a time period when some activity or skill was at its peak; rule
the duration of a monarch's or government's power; safe period
that time during a woman's menstrual cycle during which conception is least likely to occur (usually immediately before of after menstruation); shibah, shiva, shivah
(Judaism) a period of seven days of mourning after the death of close relative; probation
a trial period during which an offender has time to redeem himself or herself; probation
a trial period during which your character and abilities are tested to see whether you are suitable for work or for membership

Type of:: fundamental measure, fundamental quantity
one of the four quantities that are the basis of systems of measurement

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