aerosol [%PREMIUM_LINK%] (âr'ə-sôl') Pronunciation Key |
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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.