-oline

Questions

What does -oline mean?

Indicating a 5-ring heterocyclic compound with nitrogen and one double bond

Where does -oline come from?

IUPAC Commission of Nomenclature for Heterocyclic Compounds (1957)

How to pronounce -oline

1. Open the pronunciation page — Open the Speakur entry for “-oline”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “-oline”.
4. Repeat and practice — Say “-oline” aloud, matching stress and vowels until it feels natural.