noun

vapor

vapour, steam, mist

Water vapor is invisible to the naked eye.

Water vapour is invisible to the naked eye.

The air was thick with the vapor from the hot springs.

The air was thick with the vapour from the hot springs.

((noun)) a substance in a gaseous state Water vapour is invisible to the naked eye.

Synonyms: steam, mist, fog, gas

From Latin 'vapor' meaning 'steam, heat'.

Think of a 'vaporizer' which creates steam or vapor.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.