Word Study
mydriasis
WORDNET DICTIONARY
Noun mydriasis has 1 sense
- mydriasis(n = noun.act) Array - reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs; Array is a kind of dilatation, dilation, inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex
CIDE DICTIONARY
mydriasis, n. [L., fr. Gr. .].
A long-continued or excessive dilatation of the pupil of the eye. [1913 Webster]
OXFORD DICTIONARY
mydriasis, n. excessive dilation of the pupil of the eye.
Etymology
L f. Gk mudriasis
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