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organic compound

Other forms: organic compounds

Definitions of organic compound
  1. noun
    any compound of carbon and another element or a radical
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    types:
    aldehyde
    any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids
    aliphatic compound
    organic compound that is an alkane or alkene or alkyne or their derivative
    alkylbenzene
    organic compound that has an alkyl group bound to a benzene ring
    alkyl halide, haloalkane
    organic compound in which halogen atoms have been substituted for hydrogen atoms in an alkane
    amino acid, aminoalkanoic acid
    organic compounds containing an amino group and a carboxylic acid group
    diamine
    any organic compound containing two amino groups
    enol
    an organic compound that contains a hydroxyl group bonded to a carbon atom which in turn is doubly bonded to another carbon atom
    halon
    a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer
    peptone
    any of various water-soluble compounds that form by hydrolysis in the digestion of proteins to amino acids
    quaternary ammonium compound
    a compound derived from ammonium with hydrogen atoms replaced by organic groups; used as surface-active agents, disinfectants, and in drugs
    proenzyme, zymogen
    any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active
    propylthiouracil
    a crystalline compound used as an antithyroid drug in the treatment of goiter
    ether
    any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom
    acetal
    any organic compound formed by adding alcohol molecules to aldehyde molecules
    aldehyde-alcohol, aldol
    an oily colorless liquid obtained by the condensation of two molecules of acetaldehyde; contains an alcohol group (-OH) and an aldehyde group (-CHO)
    alkaloid
    natural bases containing nitrogen found in plants
    amide
    any organic compound containing the group -CONH2
    rennet
    a substance that curdles milk in making cheese and junket
    azadirachtin
    insecticide
    thiazine
    a compound made up of a ring of four carbon atoms and one sulfur atom and one nitrogen atom
    cacodyl, tetramethyldiarsine
    a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air
    neurochemical
    any organic substance that occurs in neural activity
    acid anhydrides, acyl anhydrides
    organic compounds that react with water to form an acid
    acid halide, acyl halide
    organic compounds containing the group -COX where X is a halogen atom
    coal-tar creosote, creosote
    a dark oily liquid obtained by distillation of coal tar; used as a preservative for wood
    creosote
    a colorless or yellowish oily liquid obtained by distillation of wood tar; used as an antiseptic
    cyanide, nitril, nitrile
    any of a class of organic compounds containing the cyano radical -CN
    cyanohydrin
    any organic compound in which the cyano radical -CN and the hydroxyl radical -OH are attached to the same carbon atom
    ester
    formed by reaction between an acid and an alcohol with elimination of water
    furan, furane, furfuran
    a colorless toxic flammable liquid used in the synthesis of nylon
    glycoside
    a group of compounds derived from monosaccharides
    resin, rosin
    any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules
    halocarbon
    one of various compounds of carbon and any of the halogens
    hemiacetal
    an organic compound usually formed as an intermediate product in the preparation of acetals from aldehydes or ketones
    erythrocytolysin, erythrolysin, haemolysin, hemolysin
    any substance that can cause lysis (destruction) of erythrocytes (red blood cells) and the release of their hemoglobin
    humic substance
    an organic residue of decaying organic matter
    hydrocarbon
    an organic compound containing only carbon and hydrogen
    ketone
    any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals
    macromolecule, supermolecule
    any very large complex molecule; found only in plants and animals
    nitrobenzene
    a poisonous oily water-soluble liquid used as a solvent and in the manufacture of aniline
    oxime
    any compound containing the group -C=NOH
    petrochemical
    any compound obtained from petroleum or natural gas
    creatine phosphate, creatine phosphoric acid, phosphocreatine
    an organic compound of creatine and phosphoric acid; found in the muscles of vertebrates where its hydrolysis releases energy for muscular contraction
    phenol
    any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
    pyrimidine
    a heterocyclic organic compound with a penetrating odor
    quassia
    a bitter compound used as an insecticide and tonic and vermifuge; extracted from the wood and bark of trees of the genera Quassia and Picrasma
    steroid
    any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects
    nonsteroid, nonsteroidal
    an organic compound that does no contain a steroid
    thiouracil
    depresses the function of the thyroid gland
    carbamide, urea
    the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
    imide
    any of a class of organic compounds that contain the divalent radical -CONHCO-
    xanthine
    crystalline oxidation product of the metabolism of nucleoproteins; precursor of uric acid; found in many organs and in urine
    atropine
    a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides
    DES, diethylstilbesterol, stilbesterol
    synthetic nonsteroid with the properties of estrogen; formerly used to treat menstrual problems but was found to be associated with vaginal cancers in the daughters of women so treated during pregnancy
    hyoscyamine
    a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract
    pilocarpine
    cholinergic alkaloid used in eyedrops to treat glaucoma
    hyoscine, scopolamine
    an alkaloid with anticholinergic effects that is used as a sedative and to treat nausea and to dilate the pupils in ophthalmic procedures
    physostigmine
    used in treatment of Alzheimer's disease and glaucoma
    East India kino, Malabar kino, kino gum
    reddish or black juice or resin from certain trees of the genus Pterocarpus and used in medicine and tanning etc
    Jamaica quassia
    similar to the extract from Quassia amara
    acetone, dimethyl ketone, propanone
    the simplest ketone; a highly inflammable liquid widely used as an organic solvent and as material for making plastics
    acetylene, alkyne, ethyne
    a colorless flammable gas used chiefly in welding and in organic synthesis
    alicyclic compound
    an aliphatic compound that contains a ring of atoms
    alanine
    a crystalline amino acid that occurs in many proteins
    asparagine
    a crystalline amino acid found in proteins and in many plants (e.g., asparagus)
    aspartic acid
    a crystalline amino acid found in proteins and occurring naturally in sugar beets and sugar cane
    canavanine
    an amino acid found in the jack bean
    chlorobenzene
    a colorless volatile flammable liquid with an almond odor that is made from chlorine and benzene; used as a solvent and in the production of phenol and DDT and other organic compounds
    citrate
    a salt or ester of citric acid
    citrulline
    an amino acid that does not occur in proteins but is an intermediate in the conversion of ornithine to arginine
    cysteine
    an amino acid containing sulfur that is found in most proteins; oxidizes on exposure to air to form cystine
    cystine
    a crystalline amino acid found in proteins (especially keratin); discovered in bladder stones
    dihydroxyphenylalanine, dopa
    amino acid that is formed in the liver and converted into dopamine in the brain
    essential amino acid
    an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet
    GABA, gamma aminobutyric acid
    an amino acid that is found in the central nervous system; acts as an inhibitory neurotransmitter
    glutamic acid, glutaminic acid
    an amino acid occurring in proteins; important in the nitrogen metabolism of plants; used in monosodium glutamate to enhance the flavor of meats
    glutamine
    a crystalline amino acid occurring in proteins; important in protein metabolism
    glycine
    the simplest amino acid found in proteins and the principal amino acid in sugar cane
    hydroxyproline
    a crystalline amino acid obtained from gelatin or collagen
    iodoamino acid
    an amino acid with iodine added
    ornithine
    an amino acid that does not occur in proteins but is important in the formation of urea
    aromatic compound
    a hydrocarbon containing one or more benzene rings that are characteristic of the benzene series of compounds
    pyrogallic acid, pyrogallol
    a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer
    haloform
    compounds with the formula CHX3, where X is a halogen atom
    lactate
    a salt or ester of lactic acid
    proline
    an amino acid that is found in many proteins (especially collagen)
    gasohol
    a gasoline substitute consisting of 90% gasoline and 10% grain alcohol from corn
    gas, gasolene, gasoline, petrol
    a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
    coal oil, kerosene, kerosine, lamp oil
    a flammable hydrocarbon oil used as fuel in lamps and heaters
    ethanal trimer, paraldehyde
    a colorless liquid (a cyclic trimer of acetaldehyde) that is used as a sedative and a solvent
    acetaldol
    unsaturated aldol
    acetaldehyde, ethanal
    a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs
    acetamide, ethanamide
    a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds
    acrylamide
    a white crystalline amide of propenoic acid can damage the nervous system and is carcinogenic in laboratory animals
    alkene, olefin, olefine
    any unsaturated aliphatic hydrocarbon
    cinchonine
    an alkaloid derivative of the bark of cinchona trees that is used as an antimalarial drug
    ephedrine
    white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically; used as a bronchodilator to treat bronchitis and asthma
    Ergotrate Maleate, ergonovine
    an alkaloid derived from ergot (trade name Ergotrate Maleate) that is less toxic than ergot; induces muscular contraction of the uterus and is administered after childbirth or abortion
    ergotamine
    an alkaloid derived from ergot that is less toxic than ergot; causes constriction of blood vessels and is used to treat migraine
    pseudoephedrine
    poisonous crystalline alkaloid occurring with ephedrine and isomorphic with it
    nicotine
    an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide
    strychnine
    an alkaloid plant toxin extracted chiefly from nux vomica; formerly used as a stimulant
    brucine
    a bitter alkaloid poison resembling strychnine and extracted from nux vomica
    betaine
    a sweet tasting alkaloid that occurs in sugar beets
    protein
    any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes
    peptide
    amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein
    caffein, caffeine
    a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
    aromatic hydrocarbon
    a hydrocarbon that contains one or more benzene rings that are characteristic of the benzene series of organic compounds
    methylene blue, methylthionine chloride
    a dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning
    phenothiazine, thiodiphenylamine
    a compound used primarily in veterinary medicine to rid farm animals of internal parasites
    banana oil
    a liquid ester derived from amyl alcohol; has the odor of bananas
    butanone, methyl ethyl ketone
    colorless soluble flammable liquid ketone used as a solvent for resins and as a paint remover and in lacquers and cements and adhesives and cleaning fluids and celluloid
    carbohydrate, saccharide, sugar
    an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain
    cellulose ester
    any ester of cellulose with an acid
    neurotransmitter
    a neurochemical that transmits nerve impulses across a synapse
    acetyl chloride, ethanoyl chloride
    colorless liquid acyl chloride (CH3COCl) that has a pungent odor
    endorphin
    a neurochemical occurring naturally in the brain and having analgesic properties
    indene
    a colorless liquid hydrocarbon extracted from petroleum or coal tar and used in making synthetic resins
    creatin, creatine
    an amino acid that does not occur in proteins but is found in the muscle tissue of vertebrates both in the free form and as phosphocreatine; supplies energy for muscle contraction
    creosol
    a colorless to yellow aromatic liquid that is a constituent of creosote
    cresol, methyl phenol
    any of three poisonous colorless isomeric phenols; derived from coal or wood tar; used as a disinfectant
    cyclohexanol phthalate
    the cyclohexanol ester of phthalic acid
    cymene
    any of three isotopes of a colorless aromatic liquid hydrocarbon occurring in the volatile oil of cumin and thyme and used in the manufacture of synthetic resins
    dioxin
    any of several toxic or carcinogenic hydrocarbons that occur as impurities in herbicides
    C2H6, ethane
    a colorless odorless alkane gas used as fuel
    ethyl acetate
    a fragrant colorless flammable volatile liquid ester made from ethanol and acetic acid; used in flavorings and perfumes and as a solvent for plastics
    propanamide, proprionamide
    the amide of propionic acid (C2H5CONH2)
    flavin
    a ketone that forms the nucleus of certain natural yellow pigments like riboflavin
    fluorocarbon
    a halocarbon in which some hydrogen atoms have been replaced by fluorine; used in refrigerators and aerosols
    formaldehyde, methanal
    a colorless poisonous gas; made by the oxidation of methanol
    fulvic acid
    a yellow to yellow-brown humic substance that is soluble in water under all pH conditions
    furfural, furfuraldehyde
    a liquid aldehyde with a penetrating odor; made from plant hulls and corncobs; used in making furan and as a solvent
    bottled gas, liquefied petroleum gas
    hydrocarbon gases, usually propane or butane, kept under pressure
    glyceraldehyde, glyceric aldehyde
    a sweet crystalline aldehyde formed by the breakdown of sugars
    glyceryl ester
    an ester of glycerol
    glucoside
    a glycoside derived from glucose
    natural resin
    a plant exudate
    synthetic resin
    a resin having a polymeric structure; especially a resin in the raw state; used chiefly in plastics
    humic acid
    a dark brown humic substance that is soluble in water only at pH values greater than 2
    humin
    a black humic substance that is not soluble in water
    bitumen
    any of various naturally occurring impure mixtures of hydrocarbons
    butadiene
    a gaseous hydrocarbon C4H6; used in making synthetic rubbers
    acetone body, ketone body
    a ketone that is an intermediate product of the breakdown of fats in the body; any of three compounds (acetoacetic acid, acetone, and/or beta-hydroxybutyric acid) found in excess in blood and urine of persons with metabolic disorders
    lipid, lipide, lipoid
    an oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates)
    maleate
    a salt or ester of maleic acid; used as a nontricyclic antidepressant drug for psychomotor activation
    alkane, alkane series, methane series, paraffin, paraffin series
    a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)
    naphtha
    any of various volatile flammable liquid hydrocarbon mixtures; used chiefly as solvents
    naphthalene
    a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs
    naphthol
    either of two phenols derived from naphthalene
    pyrene
    a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar
    nitrofuran
    derivative of furan used to inhibit bacterial growth
    nucleic acid
    (biochemistry) any of various macromolecules composed of nucleotide chains that are vital constituents of all living cells
    nucleoside
    a glycoside formed by partial hydrolysis of a nucleic acid
    base, nucleotide
    a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
    octane
    any isomeric saturated hydrocarbon found in petroleum and used as a fuel and solvent
    gas oil
    an oil formed through distillation of petroleum of intermediate boiling range and viscosity
    polyester
    a complex ester used for making fibers or resins or plastics or as a plasticizer
    propanal, propionaldehyde
    a colorless liquid aldehyde
    acrolein, propenal
    a pungent colorless unsaturated liquid aldehyde made from propene
    acrylonitrile, propenonitrile, vinyl cyanide
    a colorless liquid unsaturated nitrile made from propene
    rauwolfia
    any of several alkaloids extracted from the shrub Rauwolfia serpentina
    resorcinol
    a crystalline phenol obtained from various resins; used in ointments for acne and in dandruff shampoos
    sarcosine
    a sweetish crystalline amino acid
    serine
    a sweetish crystalline amino acid involved in the synthesis by the body of cysteine
    ketosteroid
    a steroid containing a ketone group
    steroid alcohol, sterol
    any of a group of natural steroid alcohols derived from plants or animals; they are waxy insoluble substances
    bile acid
    any of the steroid acids generated in the liver and stored with bile
    cardiac glucoside, cardiac glycoside
    obtained from a number of plants and used to stimulate the heart in cases of heart failure
    streptolysin
    any of several hemolysins derived from strains of streptococcus
    strophanthin
    a bitter and very toxic glycoside derived from plants of the genus Strophanthus; in moderate doses it is a cardiac stimulant but in larger doses it is a powerful poison; used in Africa as an arrow poison
    tannic acid, tannin
    any of various complex phenolic substances of plant origin; used in tanning and in medicine
    terpene
    an unsaturated hydrocarbon obtained from plants
    thyme camphor, thymic acid, thymol
    a colorless crystalline solid used in perfume or preserving biological specimens or in embalming or medically as a fungicide or antiseptic
    thyronine
    a phenolic amino acid of which thyroxine is a derivative
    methylbenzene, toluene
    a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels
    tyramine
    amino acid derived from tyrosine; has a sympathomimetic action; found in chocolate and cola drinks and ripe cheese and beer
    tyrosine
    an amino acid found in most proteins; a precursor of several hormones
    urethane
    an ester of carbamic acid
    provitamin
    vitamin precursor; a substance that is converted into a vitamin in animal tissues
    curare, tubocurarine
    a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles
    type of:
    chemical compound, compound
    (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
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