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aerosol

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aer⋅o⋅sol

  [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.
3. aerosol bomb.
–adjective
4. of or containing a liquid or gas under pressure for dispensing as a spray or foam: a deodorant available in aerosol cans.
Use aerosol in a Sentence
Origin:
1920–25; aero- + sol 4
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
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aer·o·sol   (âr'ə-sôl', -sŏl')   
n.  

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

    1. A substance, such as paint, detergent, or insecticide, packaged under pressure with a gaseous propellant for release as a spray of fine particles.

    2. An aerosol bomb.


[aero- + sol(ution).]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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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, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: aero·sol
Pronunciation: 'ar-&-"säl, 'er-, -"sol
Function: noun
1 : a suspension of fine solid or liquid particles in gasaerosols>
2 : a substance (as an insecticide or medicine) dispensed from a pressurized container as an aerosol; also : the container for this
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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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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Science Dictionary
aerosol   (âr'ə-sôl')  Pronunciation Key 


(click for larger image in new window)

  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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