Etymology

From New Latin, from Latin acapnos ‎(“without smoke”), from Ancient Greek ἄκαπνος ‎(ákapnos, “without smoke”), from ἀ- ‎(a-, “not”) + καπνός ‎(kapnós, “smoke”).

Pronunciation

• (US) IPA^(key): /əˈkæp.ni.ə/, /eɪˈkæp.ni.ə/
• Rhymes: -æpniə