dilate

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dilate rate this definition:

(Verb) To extend, swell out.

Usage: The vein on his forehead dilated.

dilate rate this definition:

(Verb) expand

dilate rate this definition:

to increase in size

dilate rate this definition:

(Verb) to enlarge; to expand; to expand on

Usage: They had to dilate the hole so it was large enough to fit through.