Meaning of the word "functional group" in English

What does "functional group" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

functional group

US /ˈfʌŋkʃənəl ˌɡruːp/
UK /ˈfʌŋk.ʃən.əl ɡruːp/
"functional group" picture

Noun

a group of atoms responsible for the characteristic reactions of a particular compound

Example:
The hydroxyl group (-OH) is a common functional group in alcohols.
Understanding functional groups helps predict chemical reactivity.