prep. 1. Mathematics Reduced by the subtraction of; less: Ten minus four is six. 2. Informal Without: I went to work minus my ID. adj. 1. Mathematics Negative or on the negative part of a scale: a minus value; minus five degrees. 2. Ranking on the lower end of a designated scale: a grade of A minus. n. 1. Mathematics a. The minus sign (-). b. A negative quantity. 2. A deficiency or defect. [Middle English, from Latin minus, neuter of minor, less; see mei-2 in the Appendix of Indo-European roots.] |
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