absorptiometer: Meaning and Definition of

ab•sorp•ti•om•e•ter

Pronunciation: (ab-sôrp"shē-om'i-tur, -zôrp"-), [key]
— n.
  1. a photoelectric instrument for measuring the concentration of a substance, as a transparent solution, by its absorption of monochromatic light.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.