noun
vapor
VAY-puh
noun
1
Tiny droplets or particles suspended in the air, such as mist, steam, or fumes.
"Vapor rose off the hot springs in the cold morning air."
"The kettle let out a cloud of vapor as it came to the boil."
2
The gaseous form of a substance that is normally liquid or solid at room temperature.
"Water vapor condenses into clouds high in the atmosphere."
verb
1
To turn into vapor, or to give off vapor.
"The perfume vapored quickly once the bottle was left open."
How to Use Vapor
Learner’s notesIn plain EnglishVapor is the misty or gas-like form a liquid takes when it evaporates.
UK vs US
American English spells it "vapor"; British English uses "vapour."
Common pairings
water vapor
vapor trail
vapor cloud
Word Forms
vapored past tense, vapors plural, vapors singular
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_____ rose off the hot springs in the cold morning air.
Etymology
From Old French vapor, from Latin vapor, "steam" or "heat." The American spelling drops the British "u" found in "vapour."