The meaning of FUME is a smoke, vapor, or gas especially when irritating or offensive. How to use fume in a sentence.

The part that decomposes into air is a vapor or fume, but not air that is fit for breathing.

Jan 20, 2026 · Noun fume (plural fumes) A gas or vapour / vapor that is strong-smelling or dangerous to inhale.

Smoke, vapor, or gas, especially if irritating, harmful, or smelly. The American Heritage® Student Science Dictionary, Second Edition.

Fume is a fine suspension of particles, which can be seen in a gas. Fume is the submicron particles formed by evaporation of the material and subsequent solidification in the gas stream.

fume (fyo̅o̅m), n., v., fumed, fum•ing. n. Often, fumes. any smokelike or vaporous exhalation from matter or substances, esp. of an odorous or harmful nature: tobacco fumes; noxious fumes of carbon …

Fume definition: Vapor, gas, or smoke, especially if irritating, harmful, or strong.

noun Anything comparable to fume or vapor, from being unsubstantial or fleeting, as an idle conceit, a vain imagination, and the like. noun The incense of praise; hence, inordinate flattery.

FUME definition: Often fumes any smokelike or vaporous exhalation from matter or substances, especially of an odorous or harmful nature. See examples of fume used in a sentence.

A fume is a gas, smoke, or vapor that smells strongly or is dangerous to inhale. It usually arises from burning or heated substances, chemical reactions or other processes.