lower stratosphere
1Stratosphere — The stratosphere is the second major layer of Earth s atmosphere, just above the troposphere, and below the mesosphere. It is stratified in temperature, with warmer layers higher up and cooler layers farther down. This is in contrast to the… …
2stratosphere — stratospheric /strat euh sfer ik, sfear /, stratospherical, adj. /strat euh sfear /, n. 1. the region of the upper atmosphere extending upward from the tropopause to about 30 miles (50 km) above the earth, characterized by little vertical change… …
3stratosphere — The layer of the atmosphere extending from the tropopause to a height of about 30 miles (50 km). The layer is characterized by a vertical isotherm (equal temperature) in the lower atmosphere followed by a temperature that increases with the… …
4stratosphere — [ stratəˌsfɪə] noun 1》 the layer of the earth s atmosphere above the troposphere, extending to about 50 km above the earth s surface (the lower boundary of the mesosphere). 2》 informal the very highest levels of something: the fashion… …
5stratosphere — Synonyms and related words: Appleton layer, CAT, F layer, Heaviside Kennelly layer, Olympian heights, Van Allen belt, acme, aerial heights, aerospace, aerosphere, air hole, air pocket, airspace, apex, belt, bump, ceiling, chemosphere, crosswind,… …
6stratosphere — n. a layer of atmospheric air above the troposphere extending to about 50 km above the earth s surface, in which the lower part changes little in temperature and the upper part increases in temperature with height (cf. IONOSPHERE). Derivatives:… …
7Ozone depletion — Image of the largest Antarctic ozone hole ever recorded (September 2006) Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth s… …
8atmosphere — 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… …
9climate — /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… …
10global warming — an increase in the earth s average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect. [1975 80] * * * Potential increase in global average surface temperatures resulting from… …
