Cloudy diffused matter such as mist, steam or fumes suspended in the air.
The gaseous state of a substance that is normally a solid or liquid.
Something insubstantial, fleeting, or transitory; unreal fancy; vain imagination; idle talk; boasting.
Any medicinal agent designed for administration in the form of inhaled vapour.
(in the plural) Hypochondria; melancholy; the blues; hysteria, or other nervous disorder.
Wind; flatulence.