chemical group

/ˌkɛməkəl grup/

Other forms: chemical groups

Definitions of chemical group

1. noun

   (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
   synonyms: group, radical

   types:

   acyl, acyl group

   any group or radical of the form RCO- where R is an organic 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

   arsenic group, cacodyl, cacodyl group, cacodyl radical

   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

   acetyl, acetyl group, acetyl radical, ethanoyl group, ethanoyl radical

   the organic group of acetic acid (CH3CO-)

   ethyl, ethyl group, ethyl radical

   the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom

   glucosamine

   an amino derivative of glucose that is a component of many polysaccharides

   foryml

   (chemistry) the negative univalent acyl radical CHO that occurs in aldehydes

   methyl, methyl group, methyl radical

   the univalent radical CH3- derived from methane

   sodium nitrite

   nitrite used to preserve and color food especially in meat and fish products; implicated in the formation of suspected carcinogens

   type of:

   building block, unit

   a single undivided natural thing occurring in the composition of something else