Meaning of ptosis in English

Table of contents
  1. Pronunciation
  2. Noun
    1. Etymology
    2. Definitions

  1. Pronunciation

    /ˈtoʊsəs/

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  1. Noun

    ptosis

    Etymology

    mid 18th century: from Greek ptōsis, from piptein‘to fall’

    Definitions

    1. drooping of the upper eyelid caused by muscle paralysis and weakness

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