Definition of "dilating" [dilating]

• Present participle of dilate. (verb)

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• "In digressing, in dilating, in passing from subject to subject, he appeared to me to float in air, to slide on ice. ["
• "These vessels respond by dilating, which is the real cause of the pain."
• "I can't afford 4 hours taken out of my day, so having a laptop to work on while, um, "dilating" will mean I can work as well as, well, not play, but...."