chemical compound

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Noun1.chemical compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
vanillin - a crystalline compound found in vanilla beans and some balsam resins; used in perfumes and flavorings
acceptor - (chemistry) in the formation of a coordinate bond it is the compound to which electrons are donated
adduct - a compound formed by an addition reaction
antiknock - any of various compounds that are added to gasoline to reduce engine knocking
acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
arsenide - a compound of arsenic with a more positive element
hydrogen cyanide - a highly poisonous gas or volatile liquid that smells like bitter almonds; becomes a gas at around 90 degree Fahrenheit and is most dangerous when inhaled; the anhydride of hydrocyanic acid; used in manufacturing
anionic compound - a compound characterized by an active anion
alkali, base - any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia"
binary compound - chemical compound composed of only two elements
taurine - a colorless crystalline substance obtained from the bile of mammals
chromogen - a compound that can be converted to a pigment
manganese tetroxide - an oxide of manganese found naturally as hausmannite
monomer - a simple compound whose molecules can join together to form polymers
ozonide - any of a class of unstable chemical compounds resulting from the addition of ozone to a double bond in an unsaturated compound
organic compound - any compound of carbon and another element or a radical
ammine - a complex inorganic compound that contains ammonia molecules
anhydride - a compound formed from one or more other compounds in a reaction resulting in removal of water
azide - a chemical compound containing the azido group combined with an element or radical
bitter principle - any one of several hundred compounds having a bitter taste; not admitting of chemical classification
buffer - (chemistry) an ionic compound that resists changes in its pH
calcium-cyanamide, cyanamide - a compound used as a fertilizer and as a source of nitrogen compounds
carbonyl - a compound containing metal combined with carbon monoxide
carbon disulfide - a toxic colorless flammable liquid (CS2); used in the manufacture of rayon and cellophane and carbon tetrachloride and as a solvent for rubber
cofactor - a substance (as a coenzyme) that must join with another to produce a given result
cementite, iron carbide - a chemical compound that is a constituent of steel and cast iron; very hard and brittle
chemical, chemical substance - material produced by or used in a reaction involving changes in atoms or molecules
chloropicrin, nitrochloroform - a heavy colorless insoluble liquid compound that causes tears and vomiting; used as a pesticide and as tear gas
coordination compound, complex - a compound described in terms of the central atom to which other atoms are bound or coordinated
allomorph - any of several different crystalline forms of the same chemical compound; "calcium carbonate occurs in the allomorphs calcite and aragonite"
corrosive - a substance having the tendency to cause corrosion (such a strong acids or alkali)
aluminate - a compound of alumina and a metallic oxide
defoliant - a chemical that is sprayed on plants and causes their leaves to fall off
depilatory - a chemical (usually a sulfide) used to remove hair or wool or bristles from hides
derivative - a compound obtained from, or regarded as derived from, another compound
dimer - a compound whose molecules are composed of two identical monomers
fixing agent, fixer - a chemical compound that sets or fixes something (as a dye or a photographic image)
flavone - a colorless crystalline compound that is part of a number of white or yellow plant pigments
formulation, preparation - a substance prepared according to a formula; "the physician prescribed a commercial preparation of the medicine"
enantiomer, enantiomorph - either one of a pair of compounds (crystals or molecules) that are mirror images on each other but are not identical
exotherm - a compound that gives off heat during its formation and absorbs heat during its decomposition
goitrogen - any substance (such as thiouracil) that induces the formation of a goiter
benzofuran, coumarone, cumarone - a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins
synthetic, synthetic substance - a compound made artificially by chemical reactions
References in periodicals archive ?
Today's announcement discloses that in lab and greenhouse experiments, these chemical 'families' showed various levels of weed-killing effectiveness for individual members of each 'family', in some cases significantly in excess of the initial chemical compound.
But each person has a unique chemical compound profile, with different ratios of the four groups of compounds.
Current ways of extracting gold from unused gadgets often use toxic chemicals such as cyanide but scientists have now developed a simple extraction method using a non-toxic chemical compound, which they claim yields more efficient results.
Pursuant to the contract Bristol-Myers Squibb said that it has been granted exclusive license to a proprietary chemical compound collection and non-exclusive license for use of Chiromics' chemical compound library, adding that the two companies will collaborate on a screening to discover and optimise novel classes of small molecules against multiple therapeutic targets.
For scientists, engineers, and graduate students involved in the study of solid-state processes and their applications, Dybkov (physical chemistry of inorganic materials, National Academy of Sciences of Ukraine) outlines a physico-chemical approach to the problem of solid-state growth of chemical compound layers and reaction diffusion in binary heterogeneous systems formed by two solids or a solid with a liquid or a gas.
Neither Newhall Land nor county officials said the detection of perchlorate, a chemical compound used in manufacturing munitions, was a surprise.
Sumitomo Chemical Company, Ltd (Osaka-fu, Japan) has patented a method for evaluation of the safety of a chemical compound, which includes the steps of: (a) reacting a chemical compound with recombinant yeast cells expressing, or in other words producing, human cytochrome P450 molecular species P450 1A2, P450 2C9, P450 2E1 and P450 3A4 together with a yeast NADPH-P450 reductase, which may be in the form of a fused enzyme with each of said human cytochrome P450 molecular species, or with the cell free extracts of the yeast cells; and (b) analyzing the resulting metabolite to determine the safety of the compound.
The company's staff of chemists is said to be comprised of highly experienced chemical compound specialists with the ability to mix to exact customer specifications or ASTM specifications.
The chemical compound identification of particles is essential to the understanding, improvement and control of electronic device yield, near-net-shape processes, drug effectiveness, environmental particulate health effects, and trace-explosive-particle forensic analysis.
Virtually any part can be deburred, deflashed, burnished, polished, descaled or brightened automatically when the proper media and chemical compound are matched to the vibratory finisher, The machine features a variable-speed drive with vibration frequency from 1200-2600 cycles/min.

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