aerosol

[ air-uh-sawl, -sol ]
/ ˈɛər əˌsɔl, -ˌsɒl /

noun

Physical Chemistry. a system of colloidal particles dispersed in a gas; smoke or fog.
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

of or containing a liquid or gas under pressure for dispensing as a spray or foam: a deodorant available in aerosol cans.

Nearby words

  1. aeroplane spin,
  2. aeroponics,
  3. aeropulse,
  4. aeroscepsy,
  5. aerosinusitis,
  6. aerosol bomb,
  7. aerosol generator,
  8. aerosolize,
  9. aerospace,
  10. aerospace engineering

Origin of aerosol

First recorded in 1920–25; aero- + sol4

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aerosol


British Dictionary definitions for aerosol

aerosol

/ (ˈɛərəˌsɒl) /

noun

a colloidal dispersion of solid or liquid particles in a gas; smoke or fog
a substance, such as a paint, polish, or insecticide, dispensed from a small metal container by a propellant under pressure
Also called: air spray such a substance together with its container

Word Origin for aerosol

C20: from aero- + sol (ution)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for aerosol

aerosol

n.

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

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for aerosol

aerosol

[ ârə-sôl′ ]

n.

A gaseous suspension of fine solid or liquid particles.
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.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for aerosol

aerosol

[ ârə-sôl′ ]

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.
A liquid substance, such as paint, an insecticide, or a hair spray, packaged under pressure for use or application as a fine spray.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.