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Added 9 October 2026

vapor

/ˈveɪpə/ noun

In Latin: vapor, nīdor Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about vapor at Wordnik → Where our words come from →

A visible suspension in the air of particles of some substance.
The process of becoming a vapor.

Origin

From Middle English vapour, from Anglo-Norman vapour, Old French vapor, from Latin vapor (“steam, heat”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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