Functional Group Definition
noun
An atom or group of atoms, such as a carboxyl group, in an organic compound that defines the structure of a family of compounds and determines the properties of the family.
American Heritage Medicine
(ecology) A collection of organisms of specific morphological, physiological, behavioral, biochemical properties.
Wiktionary
Other Word Forms of Functional Group
Noun
Singular:
functional group
Plural:
functional-groups
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