Meaning of apogeotropism

ap•o•ge•ot•ro•pism

Pronunciation: (ap"u-jē-o'tru-piz"um), [key]
— n. Biol.
  1. growth or orientation away from the earth; negative geotropism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.