01 a. More, required to be added; positive, as distinguished from negative; -- opposed to minus.
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1.
More, required to be added; positive, as distinguished from negative; -- opposed to minus.(Math.)
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2.
Hence, in a literary sense, additional; real; actual.“Success goes invariably with a certain plus or positive power.” — Emerson.
Phrases & compounds
Plus sign —
the sign (+) which denotes addition, or a positive quantity.