(anatomy) Any nerve or muscle that causes part of the body to dilate. / (medicine) Any drug that causes such dilation. / (medicine) An instrument used to dilate an orifice or cavity.

plural of dilatant

plural of dilator

present participle of dilate

(rare) Dilated.

(rare, medicine) To dilate.

Involving dilatation (or compression).

present participle of dilatate

simple past tense and past participle of dilatate

Third-person singular simple present indicative form of dilatate