stratosphere

• POS: Noun
• HYPHEN: strat=o=sphere

OXFORD DICTIONARY

stratosphere, 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).

Derivative

stratospheric adj.

Etymology

STRATUM + SPHERE after atmosphere

THESAURUS

stratosphere

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, dizzy heights, elevation, eminence, empty space, ether, favorable wind, fog, front, head wind, heaven, heavens, height, heights, high-pressure area, hole, ionosphere, isothermal region, jetstream, layer, lift, low-pressure area, lower atmosphere, outer atmosphere, overcast, photosphere, pocket, raise, rise, rising ground, roughness, sky, soup, space, steep, stratum, substratosphere, tail wind, tropopause, troposphere, trough, turbulence, upper atmosphere, uprise, vantage ground, vantage point, visibility, visibility zero, zenith