Meaning of heliotropism

he•li•ot•ro•pism

Pronunciation: (hē"lē-o'tru-piz"um, hē"lē-u-trō'piz-um), [key]
— n.
  1. heliotropic tendency or growth.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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