condensation nuclei

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• condensation nuclei — Small particles in the air on which water vapors condense or sublimate. Smoke and dust particles act as condensation nuclei …   Aviation dictionary

• Cloud condensation nuclei — Aerosol pollution over Northern India and Bangladesh NASA Cloud condensation nuclei or CCNs (also known as cloud seeds) are small particles typically 0.2 µm, or 1/100 th the size of a cloud droplet [1]) about which cloud droplets coalesce. Water… …   Wikipedia

• Cloud condensation nuclei —   Aerosol particles that provide a platform for the condensation of water vapor, resulting in clouds with higher droplet concentrations and increased albedo.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

• condensation — condensational, adj. condensative, adj. /kon den say sheuhn, deuhn /, n. 1. the act of condensing; the state of being condensed. 2. the result of being made more compact or dense. 3. reduction of a book, speech, statement, or the like, to a… …   Universalium

• condensation nucleus — Meteorol. nucleus (def. 5). [1910 15] * * * ▪ meteorology       tiny suspended particle, either solid or liquid, upon which water vapour condensation begins in the atmosphere. Its diameter may range from a few microns to a few tenths of a micron… …   Universalium

• condensation nucleus — noun : a small particle (as of dust) upon which water vapor condenses in the atmosphere * * * Meteorol. nucleus (def. 5). [1910 15] * * * condensation nucleus, Meteorology. a particle upon which water vapor condenses; nucleus: »Condensation… …   Useful english dictionary

• Convective condensation level — The convective condensation level (CCL) represents the height where an air parcel becomes saturated when lifted adiabatically to achieve buoyant ascent. It marks where cloud base begins when air is heated from below to the convective temperature …   Wikipedia

• climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

• atmosphere — atmosphereless, adj. /at meuhs fear /, n., v., atmosphered, atmosphering. n. 1. the gaseous envelope surrounding the earth; the air. 2. this medium at a given place. 3. Astron. the gaseous envelope surrounding a heavenly body. 4. Chem. any… …   Universalium

• Cloud physics — Atmospheric sciences Aerology …   Wikipedia

• Fog — For other uses, see Fog (disambiguation). Part of the Nature series on Weather   Calendar seasons Spring  …   Wikipedia