Meaning of interferogram

in•ter•fer•o•gram

Pronunciation: (in"tur-fēr'u-gram"), [key]
— n. Optics.
  1. a photographic record of light interference patterns produced with an interferometer, used for recording shock waves and fluid flow patterns.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.