functional group

noun — 2 senses

functional group

noun
1

Chemistry, Natural sciences, Organic chemistry, Physical sciences A specific grouping of elements that is characteristic of a class of compounds, and determines some properties and reactions of that class.

  • Various functional groups often occur in biomolecules.
2

Biology, Ecology, Natural sciences A collection of organisms of specific morphological, physiological, behavioral, biochemical properties.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.