ecosphere Hear it!

ecosphere definition

☆ eco·sphere (-sfir′)

noun

the zone of the earth, a planet, a star, etc. which contains or is theoretically capable of containing living organisms; specif., the biosphere

Etymology: eco- + sphere

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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