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Webster 1913 Edition
Plus
Plus
,Adj.
1.
(Math.)
More, required to be added; positive, as distinguished from negative; – opposed to
minus
. 2.
Hence, in a literary sense, additional; real; actual.
Success goes invariably with a certain
plus
or positive power. Emerson.
Plus sign
(Math.)
, the sign (+) which denotes addition, or a positive quantity.