gaseous atmosphere
1atmosphere, evolution of — Introduction the development of Earth s (Earth) atmosphere across geologic time. The process by which the current atmosphere arose from earlier conditions is complex; however, evidence related to the evolution of Earth s atmosphere, though… …
2Atmosphere of Uranus — The atmosphere of Uranus, like that of Neptune, is markedly different from those of the larger gas giants, Jupiter and Saturn. While still composed primarily of hydrogen and helium, it possesses a higher proportion of volatiles (dubbed ices )… …
3Atmosphere — At mos*phere, n. [Gr. ? vapor (akin to Skr. [=a]tman breath, soul, G. athem breath) + ? sphere: cf. F. atmosph[ e]re. See {Sphere}.] 1. (Physics) (a) The whole mass of a[ e]riform fluid surrounding the earth; applied also to the gaseous envelope… …
4atmosphere — [at′məs fir΄] n. [ModL atmosphaera < Gr atmos, vapor + sphaira, sphere] 1. the gaseous envelope (air) surrounding the earth to a height of c. 1,000 km ( c. 621 mi): it is c. 21% oxygen, 78% nitrogen, and 1% other gases, and rotates with the… …
5atmosphere — 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… …
6atmosphere — /ˈætməsfɪə / (say atmuhsfear) noun 1. the gaseous fluid surrounding the earth; the air. 2. this medium at a given place. 3. Astronomy the gaseous envelope surrounding any of the heavenly bodies. 4. Chemistry any gaseous envelope or medium. 5. a… …
7atmosphere — 1. Any gas surrounding a given body; a gaseous medium. 2. A unit of air pressure equal to 101.325 kPa. SEE ALSO: standard a., torr. [atmo + G. sphaira, sphere] a. absolute (ata) a …
8atmosphere — at•mos•phere [[t]ˈæt məsˌfɪər[/t]] n. 1) phs the gaseous envelope surrounding the earth or a heavenly body; the air 2) chem. any gaseous envelope or medium 3) phs a conventional unit of pressure, the normal pressure of the air at sea level, about …
9atmosphere — noun Etymology: New Latin atmosphaera, from Greek atmos vapor + Latin sphaera sphere Date: 1677 1. a. the gaseous envelope of a celestial body (as a planet) b. the whole mass of air surrounding the earth 2. the air of a locality …
10atmosphere — I (New American Roget s College Thesaurus) n. air, sky, ether, ozone; exosphere; mood, aura, ambience, environment. II (Roget s IV) n. 1. [The air] Syn. layer of air, gaseous envelope, air pressure; see air 1 . 2. [A pervading quality] Syn.… …