: the state of being expanded or widened
: the condition of being stretched or enlarged beyond normal dimensions especially as a result of overwork, disease, or abnormal relaxation
Probably one of the most prevalent conditions in sighthounds is dilatation of the stomach … —Asa Mays Pulmonary vascular dilatation contributes to hypoxemia … —Elizabeth Dean
: the act or action of stretching, widening, or enlarging an organ or part of the body : dilation sense b
… balloon dilatation of the affected tubal wall …—Edmond Confino et al.
: a dilated or enlarged part or formation
: amplification in writing or speech
"… And then he went on in a dilatation on the dumbness of Nature during the season's suspension and torpidity."—Cowden Clarke
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