Any of various instruments used to determine or specify colors, as by comparison with spectroscopic or visual standards.
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-mět'rĭk) adj., col'or·i·met'ri·cal·ly adv., col'or·im'e·try n.
Main Entry: col·or·im·e·ter Pronunciation: "k&l-&-'rim-&t-&r Function: noun : any of various instruments used toobjectively determine the color of a solution —col·or·i·met·ric/"k&l-&-r&-'me-trik/adjective —col·or·i·met·ri·cal·ly/-tri-k(&-)lE/adverb —col·or·im·e·try/"k&l-&-'rim-&-trE/nounplural-tries
[kuhl-uh-rim-i-ter] 
əˈrɪm