chemical group


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Noun1.chemical group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
building block, unit - a single undivided natural thing occurring in the composition of something else; "units of nucleic acids"
acyl, acyl group - any group or radical of the form RCO- where R is an organic group; "an example of the acyl group is the acetyl group"
alcohol group, alcohol radical - the chemical group -OH
aldehyde group, aldehyde radical - the chemical group -CHO
alkyl, alkyl group, alkyl radical - any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
allyl, allyl group, allyl radical - the univalent unsaturated organic radical C3H5; derived from propylene
amino, amino group - the radical -NH2
amyl - a hydrocarbon radical that occurs in many organic compounds
azido group, azido radical - the univalent group N3- derived from hydrazoic acid
azo group, azo radical - the bivalent group -N=N- united to two hydrocarbon groups
benzyl, benzyl group, benzyl radical - the univalent radical derived from toluene
benzoyl group, benzoyl radical - the univalent radical derived from benzoic acid
molecule - (physics and chemistry) the simplest structural unit of an element or compound
arsenic group, cacodyl group, cacodyl radical, cacodyl - the univalent group derived from arsine
carbonyl group - the bivalent radical CO
carboxyl, carboxyl group - the univalent radical -COOH; present in and characteristic of organic acids
chromophore - the chemical group that gives color to a molecule
cyanide group, cyanide radical, cyano group, cyano radical - the monovalent group -CN in a chemical compound
glyceryl - a trivalent radical derived from glycerol by removing the three hydroxyl radicals
hydrazo group, hydrazo radical - the bivalent group -HNNH- derived from hydrazine
hydroxyl, hydroxyl group, hydroxyl radical - the monovalent group -OH in such compounds as bases and some acids and alcohols
ketone group - a group having the characteristic properties of ketones
methylene, methylene group, methylene radical - the bivalent radical CH2 derived from methane
propyl, propyl group, propyl radical - the monovalent organic group C3H7- obtained from propane
butyl - a hydrocarbon radical (C4H9)
nitro group - the group -NO3
nitrite - the radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid)
uranyl, uranyl group, uranyl radical - the bivalent radical UO2 which forms salts with acids
vinyl, vinyl group, vinyl radical - a univalent chemical radical derived from ethylene
References in periodicals archive ?
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Summary: The Tunisian Chemical Group (TCP) held a press conference yesterday at their headquarters in Tunis.
International Resource News-August 24, 2011--Shandong Dadi Salt Chemical Group Company Limited completes pre-IPO financing(C)1994-2011 ENPublishing - http://www.enpublishing.co.uk
The completion of the second production line has raised the total production capacity of Hitachi Chemical Group to approximately 200 million m2 per year in mainland China.

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