vapor(redirected from vapour)
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Related to vapour: vapour pressure
vapor[va´por] (pl. vapo´res, vapors) (L.)
1. steam, gas, or exhalation.
2. an atmospheric dispersion of a substance that in its normal state is liquid or solid.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
1. Molecules in the gaseous phase of a solid or liquid substance exposed to a gas.
2. A visible emanation of fine particles of a liquid.
3. A medicinal preparation to be administered by inhalation.
Farlex Partner Medical Dictionary © Farlex 2012
1. The gaseous state of a substance that is liquid or solid at room temperature.
2. A faintly visible suspension of fine particles of matter in the air, as mist, fumes, or smoke.
3. vapors Archaic
a. Exhalations within a bodily organ, especially the stomach, supposed to affect the mental or physical condition. Used with the.
b. A nervous disorder such as depression or hysteria. Used with the.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
1. The gaseous phase of a substance that can be compressed into a liquid or a solid at the temperature of the vapor.
2. The gaseous phase of a solid or liquid at any temperature below its boiling point.
3. A common but incorrect term for a liquid aerosol (a visible suspension of fine liquid droplets in the atmosphere).
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
1. Molecules in gaseous phase of a solid or liquid substance exposed to a gas.
2. Visible emanation of fine particles of a liquid.
3. Medicinal preparation to be administered by inhalation.
Medical Dictionary for the Dental Professions © Farlex 2012