aerosol


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aerosol

(âr`əsōl,–sŏl): see colloidcolloid
[Gr.,=gluelike], a mixture in which one substance is divided into minute particles (called colloidal particles) and dispersed throughout a second substance. The mixture is also called a colloidal system, colloidal solution, or colloidal dispersion.
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aerosol

[′e·rə‚sȯl]
(chemistry)
A suspension of small particles in a gas; the particles may be solid or liquid or a mixture of both; aerosols are formed by the conversion of gases to particles, the disintegration of liquids or solids, or the suspension of powdered material.
(meteorology)
A small droplet or particle suspended in the atmosphere and formed from both natural and anthropogenic sources.

aerosol

a colloidal dispersion of solid or liquid particles in a gas; smoke or fog
References in periodicals archive ?
In the laboratory, influenza virus in homogeneous aerosols, flee of large droplets, can infect volunteers at very small doses; studies of infectivity decay in aerosols show persistence for hours.
A new study, led by climate scientist Drew Shindell of the NASA Goddard Institute for Space Studies, New York, used a coupled ocean-atmosphere model to investigate how sensitive different regional climates are to changes in levels of carbon dioxide, ozone, and aerosols.
Another implication being considered more frequently regards occupational exposure of respiratory therapists to medicated aerosols and to patient secretions in aerosol form.
Department of Energy's Brookhaven National Laboratory have combined satellite measurements of cloud brightness, water content and other variables with model calculations of atmospheric aerosols to demonstrate the brightening effect of clouds.
Research suggests that chemicals in air fresheners and aerosols may be linked to headaches and depression in mothers and ear infection and upset stomachs in babies.
Spray canisters first appeared in the bathroom in 1954, with the launch of an aerosol deodorant.
In 1991, CMCS commissioned a poll to survey the attitudes and perceptions of Ontario consumers toward aerosol products.
Building on the internationally recognized results of my aerosol research group and my long-term experience with airborne aerosol measurements, the time seems ripe to systematically bridge the gap between in-situ measurements of aerosol microphysical and optical properties and the assessment of dynamical interactions of absorbing particles with aerosol layer lifetime through model simulations.
ACA has been very active throughout the development of this rulemaking, providing multiple sets of comments over the last year on CARB's preliminary data summaries for aerosol coatings and aerosol adhesives.
The acquisition in Mexico will provide a platform to grow our North American extruded aluminum packaging business, and in Argentina the new joint venture will leverage the combined strengths of Ball's steel aerosol can business in Argentina with Envases' extruded aluminum aerosol business in Argentina and Brazil.
Aerosol measurement; principles, techniques, and applications, 3d ed.
Recently, Shindell and his colleagues modified a NASA climate model for the first time to consider chemical reactions among major atmospheric constituents and the resulting effect on aerosol concentration.