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CHEMICAL GROUP
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I. (noun)
Sense 1
Meaning:
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
Synonyms:
chemical group; group; radical
Classified under:
Hypernyms ("chemical group" is a kind of...):
building block; unit (a single undivided natural thing occurring in the composition of something else)
Domain category:
chemical science; chemistry (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)
Hyponyms (each of the following is a kind of "chemical group"):
vinyl; vinyl group; vinyl radical (a univalent chemical radical derived from ethylene)
uranyl; uranyl group; uranyl radical (the bivalent radical UO2 which forms salts with acids)
nitrite (the radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid))
nitro group (the group -NO3)
butyl (a hydrocarbon radical (C4H9))
propyl; propyl group; propyl radical (the monovalent organic group C3H7- obtained from propane)
methylene; methylene group; methylene radical (the bivalent radical CH2 derived from methane)
ketone group (a group having the characteristic properties of ketones)
hydroxyl; hydroxyl group; hydroxyl radical (the monovalent group -OH in such compounds as bases and some acids and alcohols)
hydrazo group; hydrazo radical (the bivalent group -HNNH- derived from hydrazine)
glyceryl (a trivalent radical derived from glycerol by removing the three hydroxyl radicals)
cyanide group; cyanide radical; cyano group; cyano radical (the monovalent group -CN in a chemical compound)
chromophore (the chemical group that gives color to a molecule)
carboxyl; carboxyl group (the univalent radical -COOH; present in and characteristic of organic acids)
carbonyl group (the bivalent radical CO)
arsenic group; cacodyl; cacodyl group; cacodyl radical (the univalent group derived from arsine)
benzoyl group; benzoyl radical (the univalent radical derived from benzoic acid)
benzyl; benzyl group; benzyl radical (the univalent radical derived from toluene)
azo group; azo radical (the bivalent group -N=N- united to two hydrocarbon groups)
azido group; azido radical (the univalent group N3- derived from hydrazoic acid)
amyl (a hydrocarbon radical that occurs in many organic compounds)
amino; amino group (the radical -NH2)
allyl; allyl group; allyl radical (the univalent unsaturated organic radical C3H5; derived from propylene)
alkyl; alkyl group; alkyl radical (any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons)
aldehyde group; aldehyde radical (the chemical group -CHO)
alcohol group; alcohol radical (the chemical group -OH)
acyl; acyl group (any group or radical of the form RCO- where R is an organic group)
Holonyms ("chemical group" is a part of...):
molecule ((physics and chemistry) the simplest structural unit of an element or compound)
