phototropism: Meaning and Definition of

pho•tot•ro•pism

Pronunciation: (fō-to'tru-piz"um, fō"tō-trō'piz-um), [key]
— n. Bot.
  1. phototropic tendency or growth.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: