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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An instrument for measuring the intensity of blue colour.

from the GNU version of the Collaborative International Dictionary of English

  • n. An instrument for measuring degress of blueness.

from The Century Dictionary and Cyclopedia

  • n. A meteorological instrument contrived by Saussure for estimating or measuring degrees of blueness, as in the sky.


Ancient Greek (Wiktionary)



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  • JM is training to be a cyanometer operator to more fully understand the sky.

    February 1, 2010