| 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
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