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单词 substratosphere
释义

substratospheren.

Brit. /ˌsʌbˈstratəsfɪə/, U.S. /ˌsəbˈstrædəˌsfɪ(ə)r/
Origin: Formed within English, by derivation. Etymons: sub- prefix, stratosphere n.
Etymology: < sub- prefix + stratosphere n.
The upper part of the troposphere, lying immediately below the stratosphere; (also) the lower part of the stratosphere.
ΘΚΠ
the world > the earth > weather and the atmosphere > [noun] > specific regions of > specific region of troposphere
substratosphere1912
1912 Geophysical Mem. (Meteorol. Office) 1 19 If the facts and reasoning here put forward be sufficient to justify us in adopting as a working hypothesis that the 9-kilometre layer, or ‘sub-stratosphere’, is the layer of origin of the changes of pressure which are the dominant features of our weather maps, it remains for us to consider what is the régime day by day of the 9-kilometre layer.
1935 P. J. O'Brien Will Rogers xiii. 223 His [sc. Wiley Post's] altitude experiments were merely incidental to his real purpose in exploring the substratosphere as a medium to high-speed transport.
1951 H. Lettau in T. F. Malone Compend. Meteorol. 330 However, apart from the troposphere and substratosphere, data are scanty.
1952 Chambers's Jrnl. Feb. 84/2 Another day Byrd flew over a never-ending succession of mountain-ranges, which looked as if they were suspended in the substratosphere.
2002 Newsweek (Nexis) 18 Feb. 74 We shot up to 55,000 feet, breathing pure oxygen in the substratosphere.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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n.1912
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