mydriasis

noun
my·​dri·​a·​sis | \ mə-ˈdrī-ə-səs How to pronounce mydriasis (audio) \

Definition of mydriasis

: excessive or prolonged dilatation of the pupil of the eye

Other Words from mydriasis

mydriatic \ ˌmi-​drē-​ˈa-​tik How to pronounce mydriatic (audio) \ adjective or noun

First Known Use of mydriasis

1684, in the meaning defined above

History and Etymology for mydriasis

Latin, from Greek

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More Definitions for mydriasis

mydriasis

noun
my·​dri·​a·​sis | \ mə-ˈdrī-ə-səs How to pronounce mydriasis (audio) \
plural mydriases\ -​ˌsēz How to pronounce mydriases (audio) \

Medical Definition of mydriasis

: excessive or prolonged dilation of the pupil of the eye