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substratosphere
substratosphere (ˈsʌbˌstrætəsfɪə) nthe region of the atmosphere which is below 15 km above earth (the stratosphere) and which is over 3 and a half miles above earthsubstratosphere
substratosphere[¦səb′strad·ə‚sfir] (meteorology) A region of indefinite lower limit just below the stratosphere. |