'densitometer' definitions:

Definition of 'densitometer'

From: WordNet
noun
A measuring instrument for determining optical or photographic density
noun
A measuring instrument for determining density or specific gravity [syn: densimeter, densitometer]

Definition of 'densitometer'

From: GCIDE
  • densitometer \densitometer\ n.
  • 1. an instrument for determining optical or photographic density. A variety capable of measuring optical density of a sample at a number of different wavelengths, is called a spectrophotometer. [WordNet 1.5]
  • 2. same as densimeter. [PJC]