释义 |
WordReference Random House Unabridged Dictionary of American English © 2024dil•a•ta•tion (dil′ə tā′shən, dī′lə-),USA pronunciation n. - a dilated formation or part.
- Pathologyan abnormal enlargement of an aperture or a canal of the body.
- Surgery
- an enlargement made in a body aperture or canal for surgical or medical treatment.
- a restoration to normal patency of an abnormally small body opening or passageway, as of the anus or esophagus.
- Mechanicsthe increase in volume per unit volume of a homogeneous substance.
Also, dilation. - Latin dīlātātiōn- (stem of dīlātātiō), equivalent. to dīlātāt(us) spread out (past participle of dīlātāre to dilate) + iōn- -ion
- Old French)
- Middle English (1350–1400
dil′a•ta′tion•al, adj. WordReference Random House Learner's Dictionary of American English © 2024di•late /daɪˈleɪt, ˈdaɪleɪt/USA pronunciation v., -lat•ed, -lat•ing. - to (cause to) become wider, larger, or expanded: [no object]The cat's eyes dilated in the darkness.[~ + object]The medicine will dilate the blood vessels.
di•la•tion /daɪˈleɪʃən/USA pronunciation n. [uncountable]See -lat-2. WordReference Random House Unabridged Dictionary of American English © 2024di•late (dī lāt′, di-, dī′lāt),USA pronunciation v., -lat•ed, -lat•ing. v.t. - to make wider or larger;
cause to expand. - [Archaic.]to describe or develop at length.
v.i. - to spread out;
expand. - to speak or write at length;
expatiate (often fol. by on or upon).
- Middle French dilater, Latin dīlātāre to spread out, equivalent. to dī- di-2 + lāt(us) broad + -āre infinitive suffix
- Middle English dilaten 1350–1400
di•lat′a•bil′i•ty, n. di•lat′a•ble, adj. - 1.See corresponding entry in Unabridged See expand.
Collins Concise English Dictionary © HarperCollins Publishers:: dilate /daɪˈleɪt dɪ-/ vb - to expand or cause to expand; make or become wider or larger
- (intr; often followed by on or upon) to speak or write at length; expand or enlarge
Etymology: 14th Century: from Latin dīlātāre to spread out, amplify, from dis- apart + lātus widediˈlatable adj diˌlataˈbility, diˈlatablenessdiˈlation, dilatation /ˌdaɪləˈteɪʃən ˌdɪ-/dilative /daɪˈleɪtɪv dɪ-/ adj |