°A
gas or
vapour/
vapor that smells strongly or is dangerous to
inhale. Fumes are solid particles formed by condensation from the gaseous state, e.g. metal oxides from volatilized metals. They can
flocculate and coalesce. Their particle size is between 0.1 and 1 micron. (A micron is one millionth of a metre).
"Don't stand around in there breathing the fumes while the adhesive cures."
°A material that has been vaporized from the solid state to the gas state and re-coalesced to the solid state.
verb
°Emit fumes.
°Expose something (especially wood) to ammonia fumes in order to produce dark tints.