heliotropic

Variant of heliotropism

heliotropism definition

he·li·ot·ro·pism (hē′lē ä′trə piz′əm)

noun

any positive, or negative, turning or bending of a plant or sessile animal toward, or away from, light, esp. sunlight

Etymology: helio- + -tropism

Related Forms:

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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