aerosol
adjective
°In a gaseous or airborne cloud of particulate matter, either solid, liquid, or gas.
"The paint came as a can of fast-drying aerosol spray."
noun
°A gaseous or airborne cloud of particulate matter, either as a solid, liquid, or gas, which forces another substance out of a spray can.
"An aerosol was used to force the flea powder out of the can."
°A colloidal system in which the dispersed phase is composed of either solid or liquid particles and in which the dispersal medium is some gas, usually air.