ptosis

[ toh-sis ]

nounPathology.
  1. a drooping of the upper eyelid.

  2. prolapse or drooping of any organ.

Origin of ptosis

1
1735–45; <New Latin <Greek ptṓsis a falling

Other words from ptosis

  • pto·tic [toh-tik], /ˈtoʊ tɪk/, adjective

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How to use ptosis in a sentence

British Dictionary definitions for ptosis

ptosis

/ (ˈtəʊsɪs) /


nounplural ptoses (ˈtəʊsiːz)
  1. prolapse or drooping of a part, esp the eyelid

Origin of ptosis

1
C18: from Greek: a falling

Derived forms of ptosis

  • ptotic (ˈtɒtɪk), adjective

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