'Colorimeter' definitions:

Definition of 'colorimeter'

From: WordNet
noun
A measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents [syn: colorimeter, tintometer]

Definition of 'Colorimeter'

From: GCIDE
  • Colorimeter \Col`or*im"e*ter\, n. [Color + -meter: cf. F. colorim[`e]tre.] An instrument for measuring the depth of the color of anything, especially of a liquid, by comparison with a standard liquid. [1913 Webster]