1. One who, or that which, widens or expands.

2. <anatomy> A muscle that dilates any part.

3. <medicine> An instrument for expanding a part; as, a urethral dilator.

See: Dilate.

(01 Mar 1998)

dilation and evacuation, dilation thrombosis, dilatometer < Prev | Next > dilator iridis, dilator muscle

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