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 mydriasis (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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Time Traveler for mydriasis

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The first known use of mydriasis was in 1684

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Cite this Entry

“Mydriasis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mydriasis. Accessed 12 May. 2021.

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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 mydriasis (audio) \

Medical Definition of mydriasis

: excessive or prolonged dilation of the pupil of the eye

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