Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
ptosis
CIDE DICTIONARY
ptosis, n. [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