chemical group
English Thesaurus
1. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule (noun.substance)
hypernym | : | building block, unit, |
definition | : | a single undivided natural thing occurring in the composition of something else (noun.object) |
hyponym | : | acyl, acyl group, |
definition | : | any group or radical of the form RCO- where R is an organic group (noun.substance) |
hyponym | : | alkyl, alkyl group, alkyl radical, |
definition | : | any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons (noun.substance) |
hyponym | : | amyl, |
definition | : | a hydrocarbon radical that occurs in many organic compounds (noun.substance) |
hyponym | : | azo group, azo radical, |
definition | : | the bivalent group -N=N- united to two hydrocarbon groups (noun.substance) |
hyponym | : | carbonyl group, |
definition | : | the bivalent radical CO (noun.substance) |
hyponym | : | carboxyl, carboxyl group, |
definition | : | the univalent radical -COOH; present in and characteristic of organic acids (noun.substance) |
hyponym | : | chromophore, |
definition | : | the chemical group that gives color to a molecule (noun.substance) |
hyponym | : | glyceryl, |
definition | : | a trivalent radical derived from glycerol by removing the three hydroxyl radicals (noun.substance) |
hyponym | : | ketone group, |
definition | : | a group having the characteristic properties of ketones (noun.substance) |
hyponym | : | butyl, |
definition | : | a hydrocarbon radical (C4H9) (noun.substance) |
hyponym | : | nitro group, |
definition | : | the group -NO3 (noun.substance) |
hyponym | : | nitrite, |
definition | : | the radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid) (noun.substance) |
part meronym | : | molecule, |
definition | : | (physics and chemistry) the simplest structural unit of an element or compound (noun.substance) |
domain category | : | chemical science, chemistry, |
definition | : | the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions (noun.cognition) |
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