B2nounUK spelling: vapoursciencenature
US/ˈveɪ.pər/
UK/ˈveɪ.pə/
a mass of tiny drops of liquid in the air, or a liquid in the form of a gas
In context
Water vapor in the air turns into clouds when it cools down.
The factory released toxic vapor into the air near the town.
A thin vapor rose from the hot sidewalk after the rain.
Words that go with vapor
noun + noun
- water vaporWater vapor is a greenhouse gas.
- vapor pressureVapor pressure rises as the liquid gets hotter.
- vapor trailA white vapor trail followed the plane across the sky.
adjective + noun
- toxic vaporWorkers must avoid breathing toxic vapor.
noun + preposition
- cloud of vaporA cloud of vapor rose from the kettle.