Chemistry term

Heterocycle

In one sentence

A cyclic compound containing at least one heteroatom (such as S, N, or O) in the ring.

Definition

A cyclic compound containing at least one heteroatom (such as S, N, or O) in the ring.

Explanation

Any major class of organic chemical compounds with properties that have atoms in their molecules joined in rings containing at least one atom of an element other than Carbon (C).