adj, noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   A heterocycle
2. 2
   a compound containing a heterocyclic ring wordnet

Adjective

1. 1
   Having atoms of two or more different elements in at least one of its rings. not-comparable
2. 2
   Having one or more atoms other than carbon in at least one of its rings. not-comparable

   "Other highly effective heterocyclic substituents were pyrazinyl and quinoxalyl."

Adjective

1. 1
   containing a closed ring of atoms of which at least one is not a carbon atom wordnet

Synonyms

All synonyms

atomiccarboheterocycliccarboheterocycliccycliccyclicalheterocycle

Example

More examples

"Other highly effective heterocyclic substituents were pyrazinyl and quinoxalyl."

Etymology

From hetero- + cyclic.

Related phrases

non-heterocyclic

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.