Adjective minus has 2 senses
  1. minus - on the negative side or lower end of a scale; "minus 5 degrees"; "a grade of B minus"
    Antonyms:
    plus, positive, nonnegative
  2. minus, negative - involving disadvantage or harm; "minus (or negative) factors"
    Antonym: advantageous (indirect, via disadvantageous)
,Noun minus has 1 sense
  1. subtraction, minus - an arithmetic operation in which the difference between two numbers is calculated; "the subtraction of three from four leaves one"; "four minus three equals one"
    --1 is a kind of arithmetic operation
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