amine(redirected from Quaternary Ammonium Ion)
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amine(əmēn`, ăm`ēn): see under amino groupamino group,
in chemistry, functional group that consists of a nitrogen atom attached by single bonds to hydrogen atoms, alkyl groups, aryl groups, or a combination of these three. An organic compound that contains an amino group is called an amine.
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One of a class of organic compounds which can be considered to be derived from ammonia by replacement of one or more hydrogens by functional groups.
an organic base formed by replacing one or more of the hydrogen atoms of ammonia by organic groups