aerosol

Etymology

From aero- + sol (“solution”).

noun

1. A mixture of fine solid particles or liquid droplets suspended in a gaseous medium.
   Examples of common aerosols are mist, fog, and smoke.
2. An aerosol can.
3. The payload (e.g. insecticide, paint, oil, cosmetics) and propellant contained by an aerosol can.
4. (physics) 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.

verb

1. (transitive) To spray with an aerosol.
   The door entrance and space going up the steps was aerosoled just before passengers started to enter. A second spray was given after they were aboard. 1958, Cooperative Economic Insect Report, page 727