Definitions (2)
Popular Terms
1. Extremely-fine liquid droplets or solid particles that remain suspended in air as fog or smoke. These non-gaseous microscopic bits (with radius from one-hundredth to one ten-millionth of a centimeter, or 100 to 0.001 micrometer) are produced from natural and artificial sources, and usually includes mineral dust, pollen, and sulfuric acid. While aerosols play an important roles in the atmosphere (such as in formation of rain drops, snow flakes, and ice crystals), they also cause climatic effects similar to those produced by greenhouse gases.
2. Non-refillable packaging used in dispensing certain consumer, industrial, and pharmaceutical products.
It consists usually of a metal container which holds a solution (or colloidal suspension, such as paint) and a compressed propellant (such as air or natural gas), and is topped by a mechanical valve. When the valve is opened, the solution (depending on its components and type of valve) is forced out as a fine or coarse spray, foam, or gel.

Use 'aerosol' in a Sentence

Numerous members of the public always complained after several weeks of countywide aerosol pesticide spraying because the toxic chemical badly damaged automobile paint jobs.
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If your industrial plant uses a lot of aerosol you must be sure to use good care with it so that there is not a disaster.
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Carol used an aerosol can of air to blast the food particles and dust out of her keyboard which were making the keys stick.
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