vapor (B1)

noun

Pronunciation: /ˈveɪpər/

Definition

A substance (such as steam or smoke) that is the gaseous form of a liquid or solid substance at a temperature above boiling point.

Examples

• The dry ice sublimated directly into carbon dioxide vapor.

• The air was thick with the vapor of the sea.

• The scientist studied the properties of the vaporized metal.

How to Use vapor

turn to vapor (idiom)

To disappear or vanish completely. — "His promises turned to vapor when he was asked to deliver."

in vapor form (prepositional phrase)

As a gas. — "The substance exists in vapor form at high temperatures."

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