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v. en·larged, en·larg·ing, en·larg·es
1. To make larger in size.
2. To make larger in scope or effect; expand: enlarge our understanding of comets. See Synonyms at increase.
1. To become larger; grow or swell.
2. To speak or write at greater length or in greater detail; elaborate: enlarged upon the plan.
[Middle English enlargen, from Old French enlargier : en-, causative pref.; see en-1 + large, large; see large.]
(Photography) an optical instrument for making enlarged photographic prints in which a negative is brightly illuminated and its enlarged image is focused onto a sheet of sensitized paper