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Meaning of phototherapeutics

pho•to•ther•a•peu•tics

Pronunciation: (fō"tu-ther"u-py'tiks), [key]
— n. (used with a sing. v.)
  1. the branch of therapeutics that deals with the curative use of light rays.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.