strat‧os‧phere /ˈstrætəsfɪə $ -sfɪr/
noun[
Date: 1900-2000;
Language: French;
Origin: stratosphère, from Modern Latin stratum ( ⇒ stratum) + French sphère 'sphere']
1. the stratosphere the outer part of the air surrounding the Earth, from 10 to 50 kilometres above the Earth ⇒
atmosphere2. [singular] informal a very high position, level, or amount:
Oil prices soared into the stratosphere. He’s now at the top of the political stratosphere. [TahlilGaran] Dictionary of Contemporary English ▲