mydriatic

myd·ri·at·ic  (mdr-tk)

adj.

Causing dilatation of the pupils.

n.

A mydriatic drug.

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[From mydriasis.]

Thesaurus

Noun

1.

mydriatic - a drug that causes the pupil of the eye to dilate; used to aid eye examinations mydriatic drug atropine - a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides drug - a substance that is used as a medicine or narcotic