Meaning of photobiotic

pho•to•bi•ot•ic

Pronunciation: (fō"tō-bī-ot'ik, -bē-), [key]
— adj. Bot., Zool.
  1. living or thriving only in the presence of light.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.