Meaning of transilluminate

trans•il•lu•mi•nate

Pronunciation: (trans"i-l'mu-nāt", tranz"-), [key]
— -nat•ed, -nat•ing.
  1. to cause light to pass through.
  2. to throw a strong light through (an organ or part) as a means of diagnosis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.