chemosphere
[ kee-muh-sfeer, kem-uh- ]
noun
the region of the atmosphere most characterized by chemical, especially photochemical, activity, starting in the stratosphere and including the mesosphere and perhaps part of the thermosphere.
Origin of chemosphere
1Words Nearby chemosphere
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for chemosphere
chemosphere
/ (ˈkɛməˌsfɪə) /
noun
meteorol a rare name for thermosphere
Derived forms of chemosphere
- chemospheric (ˌkɛməˈsfɛrɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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