Dilate: v.tr. (word coming from the Latin dilatare “to widen”, from latus “wide”).
The verb “dilate” has several meanings:
1. Turn up the volume by (something).
Heat expands bodies.
Atropine dilates the pupil (enlarge).
Dilate a narrowed coronary artery (open; swell).
Adjectival past participle: Pupils dilated.
Figurative: Hope, joy that expands the heart (blossom).
2. To dilate (pronominal verb): To increase in volume (to swell, to grow).
Rails that ...
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