ptosis

RELATED WORD :

 : 
Noun
 : 
pto=sis

WORDNET DICTIONARY

Noun ptosis has 1 sense

CIDE DICTIONARY

ptosisn. [NL., fr. Gr. a falling.].
     Drooping of the upper eyelid, produced by paralysis of its levator muscle.  [1913 Webster]

OXFORD DICTIONARY

ptosis, n. a drooping of the upper eyelid due to paralysis etc.

Derivative
ptotic adj.
Etymology
Gk ptosis f. pipto fall

For further exploring for "ptosis" in Webster Dictionary Online


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