An aggregation is a collection, or the gathering of things together. Your baseball card collection might represent the aggregation of lots of different types of cards.

Aggregation comes from the Latin ad, meaning to, and gregare, meaning herd. So the word was first used to literally mean to herd or to flock. Now it's just refers to anything herded together in a collection or assemblage. If you work in a lab, for example, you may be charged with the aggregation of samples prior to experimentation.

Definitions of aggregation

n the act of gathering something together

assembling, collecting, collection
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the act of collecting in a mass; the act of agglomerating
assembling in proper numerical or logical sequence
compilation, compiling
the act of compiling (as into a single book or file or list)
gather, gathering
the act of gathering something
bottle collection
the activity of collecting bottles
conchology, shell collecting
the collection and study of mollusc shells
coin collecting, coin collection, numismatics, numismatology
the collection and study of money (and coins in particular)
the act or process of picking up or collecting from various places
philately, stamp collecting, stamp collection
the collection and study of postage stamps
tax collection
the collection of taxes
centralisation, centralization
gathering to a center
harvest, harvest home, harvesting
the gathering of a ripened crop
garbage collection, garbage pickup, trash collection, trash pickup
the collection and removal of garbage
the collection and study of airmail stamps
Type of:
the activity of putting things together in groups

n several things grouped together or considered as a whole

accumulation, assemblage, collection
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Nag Hammadi Library
a collection of 13 ancient papyrus codices translated from Greek into Coptic that were discovered by farmers near the town of Nag Hammadi in 1945; the codices contain 45 distinct works including the chief sources of firsthand knowledge of Gnosticism
Wise Men
(New Testament) the sages who visited Jesus and Mary and Joseph shortly after Jesus was born; the Gospel According to Matthew says they were guided by a star and brought gifts of gold and frankincense and myrrh; because there were three gifts it is usually assumed that there were three of them
the triad of divinities of later Hinduism
Invincible Armada
the great fleet sent from Spain against England by Philip II in 1588
the countries of Asia
Magellanic Cloud
either of two small galaxies orbiting the Milky Way; visible near the south celestial pole
Northern Cross
a cluster of 5 bright stars forming a cross in the constellation Cygnus
Omega Centauri
a global cluster in the constellation Centaurus
a star cluster in the constellation Taurus
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the group action of a collection of people or animals or vehicles moving ahead in more or less regular formation
a collection or stock of drugs
a collection of objects threaded on a single strand
collection of clothing belonging to one person
collection of costumes belonging to a theatrical company
population, universe
(statistics) the entire aggregation of items from which samples can be drawn
the collection of equipment and methods used in the practice of medicine
art collection
a collection of art works
an accumulation of jobs not done or materials not processed that are yet to be dealt with (especially unfilled customer orders for products or services)
a collection of related things intended for use together
a number or quantity of related things dealt with as a unit
book, rule book
a collection of rules or prescribed standards on the basis of which decisions are made
a collection of playing cards satisfying the rules of a card game
bottle collection
a collection of bottles
bunch, caboodle, lot
any collection in its entirety
coin collection
a collection of coins
any collection of diverse things
everything that is included in a collection and that is held or included in something
ensemble, tout ensemble
an assemblage of parts or details (as in a work of art) considered as forming a whole
a collection of writings
a collection of people or things appearing together
tenants of an estate considered as a group
a collection of tools and other articles used by an artisan to make jewelry or clothing or shoes
flagstones collectively
bits and splinters and fragments
a complete collection of similar things
deal, hand
the cards held in a card game by a given player at any given time
long suit
in a hand, the suit having the most cards
a collection of dried plants that are mounted and systematically classified for study
stamp collection
a collection of stamps
statues collectively
sum, sum total, summation
the final aggregate
a jumbled collection or mass
a collection of gimmicks
nuclear club
the nations possessing nuclear weapons
agglomerate, cumulation, cumulus, heap, mound, pile
a collection of objects laid on top of each other
an ill-structured collection of similar things (objects or people)
a collection of things that have been combined; an assemblage of separate parts or qualities
an assemblage of people or animals or things collected together
hit parade
a collection of the best or most popular people or items of a given kind
historical and literary materials relating to Judaism
a badly assembled collection of parts hastily assembled to serve some particular purpose (often used to refer to computing systems or software that has been badly put together)
library, program library, subroutine library
(computing) a collection of standard programs and subroutines that are stored and available for immediate use
a collection of literary documents or records kept for reference or borrowing
myths collectively; the body of stories associated with a culture or institution or person
biology, biota
all the plant and animal life of a particular region
fauna, zoology
all the animal life in a particular region or period
petting zoo
a collection of docile animals for children to pet and feed
a group of things of the same kind that belong together and are so used
collection of materials of or characteristic of the Victorian era
category, class, family
a collection of things sharing a common attribute
job lot
a miscellaneous collection of things sold together
bundle, package, packet, parcel
a collection of things wrapped or boxed together
defence, defense, defense lawyers, defense team
the defendant and his legal advisors collectively
the lawyers acting for the state to put the case against the defendant
a collection of plants (trees or shrubs or flowers) in a particular area
signs collectively (especially commercial signs or posters)
GAAP, generally accepted accounting principles
a collection of rules and procedures and conventions that define accepted accounting practice; includes broad guidelines as well as detailed procedures
all the gods of a religion
Free World
anti-communist countries collectively
Third World
underdeveloped and developing countries of Asia and Africa and Latin America collectively
the nations of the European continent collectively
the nations of the Asian continent collectively
North America
the nations of the North American continent collectively
Central America
the nations of Central America collectively
South America
the nations of the South American continent collectively
Oort cloud
(astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto; perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun
a splendid assemblage (especially of famous people)
extragalactic nebula, galaxy
(astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust
a group of warships organized as a tactical unit
group of motor vehicles operating together under the same ownership
group of aircraft operating together under the same ownership
repertoire, repertory
a collection of works (plays, songs, operas, ballets) that an artist or company can perform and do perform for short intervals on a regular schedule
repertoire, repertory
the entire range of skills or aptitudes or devices used in a particular field or occupation
assortment, miscellanea, miscellany, mixed bag, mixture, motley, potpourri, salmagundi, smorgasbord, variety
a collection containing a variety of sorts of things
batch, clutch
a collection of things or persons to be handled together
all the loaves of bread baked at the same time
rogue's gallery
a collection of pictures of criminals
exhibition, expo, exposition
a collection of things (goods or works of art etc.) for public display
a collection of merchant ships with an escort of warships
the aggregation of things (pedestrians or vehicles) coming and going in a particular locality during a specified period of time
air power, aviation
the aggregation of a country's military aircraft
botany, flora, vegetation
all the plant life in a particular region or period
jurisprudence, law
the collection of rules imposed by authority
a collection of live animals for study or display
data, information
a collection of facts from which conclusions may be drawn
a collection of anecdotes about a person or place
mail, post
any particular collection of letters or packages that is delivered
a collection of precious things
treasure trove
any collection of valuables that is discovered
trinkets and other ornaments of dress collectively
troponomy, troponymy
the place names of a region or a language considered collectively
a collection of small fragments considered as a whole
beads, string of beads
several beads threaded together on a string
a fleet of small craft
a United States Navy fleet consisting of two or more squadrons of small warships
dentition, teeth
the kind and number and arrangement of teeth (collectively) in a person or animal
(genetics) a combination of alleles (for different genes) that are located closely together on the same chromosome and that tend to be inherited together
a population that is part of a larger population
grammatical category, syntactic category
(grammar) a category of words having the same grammatical properties
paradigm, substitution class
the class of all items that can be substituted into the same position (or slot) in a grammatical sentence (are in paradigmatic relation with one another)
loan collection
a number of pictures loaned by their owners for exhibition
disc pack, disk pack
(computer science) a portable pack of magnetic disks used in a disk storage device
deck, deck of cards, pack of cards
a pack of 52 playing cards
bridge hand
the cards held in a game of bridge
strong suit
a long suit including high cards
poker hand
the 5 cards held in a game of poker
Elgin Marbles
a collection of classical Greek marble sculptures and fragments of architecture created by Phidias; chiefly from the Parthenon in Athens
bunch, clump, cluster, clustering
a grouping of a number of similar things
ball, chunk, clod, clump, glob, lump
a compact mass
compost heap, compost pile
a heap of manure and vegetation and other organic residues that are decaying to become compost
dunghill, midden, muckheap, muckhill
a heap of dung or refuse
an immovable mass of logs blocking a river
a bushy thick mass (especially hair)
pile of discarded metal
a pile of sheaves of grain set on end in a field to dry; stalks of Indian corn set up in a field
pile of waste matter from coal mining etc
an orderly pile
funeral pyre, pyre
wood heaped for burning a dead body as a funeral rite
a pile or stack of wood to be used for fuel
a combination or blend of diverse things
color scheme, colour scheme
a planned combination of colors
a combination that results from coupling or interlinking
a collection of books
public library
a nonprofit library maintained for public use
rental collection
a collection of books that can be rented by readers in return for a small daily fee
classical mythology
the system of mythology of the Greeks and Romans together; much of Roman mythology (especially the gods) was borrowed from the Greeks
Norse mythology
the mythology of Scandinavia (shared in part by Britain and Germany) until the establishment of Christianity
a set containing a single member
brace, pair
a set of two similar things considered as a unit
triad, trio, triple, triplet
a set of three similar things considered as a unit
quadruple, quadruplet, quartet, quartette
a set of four similar things considered as a unit
quintet, quintette, quintuple, quintuplet
a set of five similar things considered as a unit
sestet, sextet, sextette
a set of six similar things considered as a unit
septet, septette
a set of seven similar things considered as a unit
octet, octette
a set of eight similar things considered as a unit
the birds of a particular region or period
chess set
checkerboard and a set of 32 pieces used to play chess
manicure set
a set of implements used to manicure
brass family
(music) the family of brass instruments
violin family
(music) the family of bowed stringed instruments
woodwind family
(music) the family of woodwind instruments
a type or class
join, sum, union
a set containing all and only the members of two or more given sets
Cartesian product, intersection, product
the set of elements common to two or more sets
either of the two categories (male or female) into which most organisms are divided
all the competitors in a particular contest or sporting event
all of the horses in a particular horse race
(computer science) a set of one or more adjacent characters comprising a unit of information
a category falling within certain defined limits
a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms
a class of verbs having the same inflectional forms
the complete set of inflected forms of a verb
a class of one kind of unit in a system of numbers or measures or weights or money
histocompatibility complex
a family of fifty or more genes on the sixth human chromosome that code for proteins on the surfaces of cells and that play a role in the immune response
a matching set of furniture
a small bundle of straw or hay
choir, consort
a family of similar musical instrument playing together
core, core group, nucleus
a small group of indispensable persons or things
a set of pieces of creative work collected to be shown to potential customers or employers
spiral galaxy, spiral nebula
a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center
a set of twenty members
a set with 3 times 20 members
a set of one or more synonyms
a large fleet
battle fleet
a fleet of warships prepared for battle
motor pool
a fleet of military vehicles controlled by a single agency and available for use as needed
grab bag
an assortment of miscellaneous items
witch's brew, witches' brew, witches' broth
a fearsome mixture
a variety of different things or activities
an assortment of things from which a choice can be made
farrago, gallimaufry, hodgepodge, hotchpotch, melange, mingle-mangle, mishmash, oddments, odds and ends, omnium-gatherum, ragbag
a motley assortment of things
alphabet soup
a confusing assortment
schmear, schmeer, shmear
(Yiddish) a batch of things that go together
art exhibition
an exhibition of art objects (paintings or statues)
peepshow, raree-show
an exhibition of pictures or objects viewed through a small hole or magnifying glass
a competitive exhibition of farm products
a procession of land vehicles traveling together
aggregate, congeries, conglomeration
a sum total of many heterogenous things taken together
air traffic
traffic created by the movement of aircraft
commuter traffic
traffic created by people going to or returning from work
foot traffic, pedestrian traffic
people coming and going on foot
vehicle traffic, vehicular traffic
the aggregation of vehicles coming and going in a particular locality
caravan, train, wagon train
a procession (of wagons or mules or camels) traveling together in single file
a procession of people traveling on horseback
a procession of people walking together
a procession of people traveling in motor cars
a ceremonial procession including people marching
a funeral procession
recession, recessional
the withdrawal of the clergy and choir from the chancel to the vestry at the end of a church service
vegetation (such as young shoots, twigs, and leaves) that is suitable for animals to eat
brush, brushwood, coppice, copse, thicket
a dense growth of bushes
vegetation that has grown
bush, chaparral, scrub
dense vegetation consisting of stunted trees or bushes
a growth of similar plants (usually trees) in a particular area
forest, wood, woods
the trees and other plants in a large densely wooded area
a collection of shrubs growing together
the flowers or vegetables or fruits or herbs that are cultivated in a garden
administrative law
the body of rules and regulations and orders and decisions created by administrative agencies of government
canon law, ecclesiastical law
the body of codified laws governing the affairs of a Christian church
civil law
the body of laws established by a state or nation for its own regulation
case law, common law, precedent
a system of jurisprudence based on judicial precedents rather than statutory laws
international law, law of nations
the body of laws governing relations between nations
law of the land
a phrase used in the Magna Carta to refer to the then established law of the kingdom (as distinct from Roman or civil law); today it refers to fundamental principles of justice commensurate with due process
martial law
the body of law imposed by the military over civilian affairs (usually in time of war or civil crisis); overrides civil law
commercial law, law merchant, mercantile law
the body of rules applied to commercial transactions; derived from the practices of traders rather than from jurisprudence
military law
the body of laws and rules of conduct administered by military courts for the discipline, trial, and punishment of military personnel
Law of Moses, Mosaic law
the laws (beginning with the Ten Commandments) that God gave to the Israelites through Moses; it includes many rules of religious observance given in the first five books of the Old Testament (in Judaism these books are called the Torah)
Islamic law, sharia, sharia law, shariah, shariah law
the code of law derived from the Koran and from the teachings and example of Mohammed
statutory law
the body of laws created by legislative statutes
securities law
the body of laws governing the issuance and selling of securities
tax law
the body of laws governing taxation
a storage pile accumulated for future use
accounting data
all the data (ledgers and journals and spreadsheets) that support a financial statement; can be hard copy or machine readable
data about data
raw data
unanalyzed data; data not yet subjected to analysis
fan mail
mail sent to public figures from their admirers
hate mail
mail that expresses the writer's dislike or hatred (usually in offensive language)
mail sent by a sender at one time
an assortment of various samples
wolf pack
a group of submarines operating together in attacking enemy convoys
Great Attractor
a massive grouping of galaxies in the direction of Centaurus and Hydra whose gravitational attraction is believed to cause deviations in the paths of other galaxies
Milky Way, Milky Way Galaxy, Milky Way System
the galaxy containing the solar system; consists of millions of stars that can be seen as a diffuse band of light stretching across the night sky
brier, brier patch, brierpatch
tangled mass of prickly plants
ground cover, groundcover
low-growing plants planted in deep shade or on a steep slope where turf is difficult to grow
Type of:
group, grouping
any number of entities (members) considered as a unit

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