Pre*pon"der*ant (?) a. [L. praeponderans, -antis: cf. F. pr'epond'erant. See Preponderate.]
Preponderating; outweighing; overbalancing; -- used literally and figuratively; as, a preponderant weight; of preponderant importance.
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Pre*pon"der*ant*ly, adv.
© Webster 1913.