colorimeter

1. Any of various instruments used to determine or specify colors, as by comparison with spectroscopic or visual standards.
2. An instrument that measures the concentration of a known constituent of a solution by comparison with colors of standard solutions of that constituent.

A device that measures the red, green and blue values of color. See colorimetry and color calibration. Contrast with densitometer.

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An instrument for measuring color differences; especially one for measuring the color of the blood in order to determine the proportion of hemoglobin.

The noun has one meaning:

Meaning #1: a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents
  Synonym: tintometer

For articles on Colorimeter see:

• Colorimeter (chemistry)
• Tristimulus colorimeter

See also

• Colorimetry
• Colorimetry (chemical method)

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