ptosis
Americannoun
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a drooping of the upper eyelid.
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prolapse or drooping of any organ.
noun
Other Word Forms
Derived Forms
Etymology
Origin of ptosis
1735–45; < New Latin < Greek ptṓsis a falling
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Ptosis is an ugly ailment of the upper eyelids.
From Time Magazine Archive
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Ptosis, tō′sis, n. inability to raise the upper eyelid.
From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various
Ptosis and lateral squint, with a fixed and dilated pupil, indicates pressure on the oculo-motor nerve of the same side.
From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander
Ptosis, strabismus, paralysis of the bladder and rectum, of the muscles of deglutition, and even general paralysis, have been observed.
From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.