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thermoplastic
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thermosphere
ther·mo·sphere [ thúrmə sfr ]


noun 
Definition:
 
atmospheric region: the region of the atmosphere above the mesosphere in which temperature steadily increases with height, beginning at about 85 km (53 mi) above the Earth's surface
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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