Real Dictionary

fume
plural noun: Fumes are the unpleasant and often unhealthy smoke and gases that are produced by fires or by things such as chemicals, fuel, or cooking.
verb: If you fume over something, you express annoyance and anger about it.

fume in American English
a gas, smoke, or vapor, esp. if offensive or suffocating
to expose to fumes
to give off gas, smoke, or vapor
intransitive verb: to rise, or pass off, as fumes
noun: any smokelike or vaporous exhalation from matter or substances, esp. of an odorous or harmful nature
transitive verb: to emit or exhale, as fumes or vapor

fume in British English
noun: a pungent or toxic vapour
verb: to be overcome with anger or fury; rage

fume in Chemical Engineering
noun: Fume is a fine suspension of particles, which can be seen in a gas.