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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.

col′or·i·met′ric (-ər-ə-mĕt′rĭk) adj.
col′or·i·met′ri·cal·ly adv.
col′or·im′e·try n.


1. (General Physics) Also called: tintometer an apparatus for determining the concentration of a solution of a coloured substance by comparing the intensity of its colour with that of a standard solution or with standard colour slides
2. (General Physics) any apparatus for measuring the quality of a colour by comparison with standard colours or combinations of colours
colorimetric, ˌcoloriˈmetrical adj
ˌcoloriˈmetrically adv
ˌcolorˈimetry n


(ˌkʌl əˈrɪm ɪ tər)

a device that analyzes color by measuring a given color in terms of a standard color, a scale of colors, or certain primary colors.
col•or•i•met•ric (ˌkʌl ər əˈmɛ trɪk) adj.
col`or•i•met′ri•cal•ly, adv.
col`or•im′e•try, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.colorimeter - a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents
measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something