• synonyms


(ŭpsə-lŏn′, yōōp-)
  1. Variant ofupsilon
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Examples from the Web for ypsilon

Historical Examples of ypsilon

  • This species is the ypsilon of Borkhausen, and the upsilon of other authors.

    The Moths of the British Isles, Second Series

    Richard South

  • This accounts for the presence of v, originating in the Greek ypsilon.

    The English Language

    Robert Gordon Latham

  • Ypsilon's big Greek letter, outlined in perpetual snow, is one of the famous landmarks of the northern end.

    The Book of the National Parks

    Robert Sterling Yard

  • One of the commonest species is the cosmopolitan greasy-cut-worm (Agrotis ypsilon).