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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See double vision.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An ophthalmologic condition where one perceives two images; double vision.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act or state of seeing double.

from The Century Dictionary and Cyclopedia

  • n. In pathology, the morbid condition of vision in which a single object appears double. Also diplopy.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. visual impairment in which an object is seen as two objects


diplo- + -opia (Wiktionary)



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  • JM acknowledges that some things are so amazing that diplopia is required.

    October 18, 2010

  • We have a horrible
         kind of diplopia -
    (1) straight, clinical,
         accurate, X-ray,
    (2) refracted
         to serve out bent calling.

    - Peter Reading, War Artistes, from Diplopic, 1983

    June 30, 2008