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

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.

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

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.

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

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

fume /fyum/ n., v., fumed, fum•ing. n. [countable] Chemistry Often, fumes. [plural] smoke, gas, or vapor, esp. of an irritating nature: tobacco fumes. v. [no object] to emit or give off fumes or vapor. to be …

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.

fume definition: strong-smelling gas or vapor, sometimes dangerous to breathe. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "fume …

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