apogeotropism Hear it!

apogeotropism definition

apo·geo·tro·pism (ap′ō jē ä′trə piz′əm, ap′ə-)

noun

Bot. a tendency to grow or move away from the earth or from the pull of gravity; negative geotropism

Etymology: apo- + geotropism

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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