aerosol

[air-uh-sawl, -sol]
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:
1920–25; aero- + sol4

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
aerosol (ˈɛərəˌsɒl)
 
n
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
 
[C20: from aero- + sol(ution)]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

aerosol
1923, from Gk. aero- "air" (combining form) + solution. A term in physics, modern commercial application is from 1940s.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
aerosol  [%PREMIUM_LINK%]     (âr'ə-sôl')  Pronunciation Key 


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  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.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences 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.
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