Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An instrument for showing the optical effects of colour.

from the GNU version of the Collaborative International Dictionary of English

  • n. An instrument for showing the optical effects of color.

from The Century Dictionary and Cyclopedia

  • n. An instrument for showing certain optical effects of color.
  • n. In photography, an apparatus devised by Ives in which the image of the object photographed is seen in colors.

Etymologies

Ancient Greek (Wiktionary)

Examples

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