Main Entry: aero·sol

Pronunciation: \ˈer-ə-ˌsäl, -ˌsȯl\

Function: noun

Etymology: aer- + ⁴sol

Date: 1923

1 : a suspension of fine solid or liquid particles in gas <smoke, fog, and mist are aerosols>; also plural : the fine particles of an aerosol <stratospheric aerosols>
2 : a substance (as an insecticide or medicine) dispensed from a pressurized container as an aerosol; also : the container for this