dilate

To dilate is defined as to expand and become wider.

(verb)

An example of dilate is when your eyes become wide with excitement.

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See dilate in Webster's New World College Dictionary

transitive verb dilated, dilating

to make wider or larger; cause to expand or swell; stretch

Origin: ME dilaten < L dilatare < dis-, apart + latus, wide: see lateral

intransitive verb

  1. to become wider or larger; swell
  2. to speak or write in detail (on or upon a subject)

Related Forms:

See dilate in American Heritage Dictionary 4

verb di·lat·ed, di·lat·ing, di·lates
verb, transitive
To make wider or larger; cause to expand.
verb, intransitive
  1. To become wider or larger; expand.
  2. To speak or write at great length on a subject; expatiate.

Origin:

Origin: Middle English dilaten

Origin: , from Old French dilater

Origin: , from Latin dīlātāre, to enlarge

Origin: : dī-, dis-, apart; see dis- 

Origin: + lātus, wide

.

Related Forms:

  • di·latˌa·bilˈi·ty noun
  • di·latˈa·ble adjective
  • di·latˈa·bly adverb
  • di·laˈtive adjective

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