mydriatic

adjective
myd·​ri·​at·​ic | \ ˌmid-rē-ˈat-ik How to pronounce mydriatic (audio) \

Medical Definition of mydriatic

 (Entry 1 of 2)

: causing or involving dilation of the pupil of the eye

mydriatic

noun

Medical Definition of mydriatic (Entry 2 of 2)

: a drug that produces dilation of the pupil of the eye