aerosol

[air-uh-sawl, -sol] /ˈɛər əˌsɔl, -ˌsɒl/
noun
1.
Physical Chemistry. a system of colloidal particles dispersed in a gas; smoke or fog.
2.
a liquid substance, as a disinfectant or deodorant, sealed in a metal container under pressure with an inert gas or other activating agent and released as a spray or foam through a push-button valve or nozzle:
an aerosol for cleaning ovens.
adjective
4.
of or containing a liquid or gas under pressure for dispensing as a spray or foam:
a deodorant available in aerosol cans.
Origin of aerosol
1920-25; aero- + sol4
Examples from the web for aerosol
  • An aerosol mold release is formed by suspending carnauba wax in a solvent.
  • This aerosol version is used extensively in molds for semiconductor devices.
British Dictionary definitions for aerosol

aerosol

/ˈɛərəˌsɒl/
noun
1.
a colloidal dispersion of solid or liquid particles in a gas; smoke or fog
2.
a substance, such as a paint, polish, or insecticide, dispensed from a small metal container by a propellant under pressure
3.
Also called air spray. such a substance together with its container
Word Origin
C20: from aero- + sol(ution)
Word Origin and History for aerosol
n.

1919, from aero- "air" + first syllable in solution. A term in physics; modern commercial application is from 1940s.

aerosol in Medicine

aerosol aer·o·sol (âr'ə-sôl')
n.

  1. A gaseous suspension of fine solid or liquid particles.

  2. A substance, such as a drug containing therapeutically active ingredients, packaged under pressure with a gaseous propellant for release as a spray of fine particles.

aerosol in Science
aerosol
(âr'ə-sôl')

  1. A substance consisting of very fine particles of a liquid or solid suspended in a gas. Mist, which consists of very fine droplets of water in air, is an aerosol. Compare emulsion, foam.

  2. A liquid substance, such as paint, an insecticide, or a hair spray, packaged under pressure for use or application as a fine spray.