minus sign definition

  • noun:
    • Mathematics The expression -, as with 4 - 2 = 2, which is used to point subtraction or an adverse quantity.
    • Chemistry The same sign, familiar with show levorotatory rotation of polarized light.
    • The symbol − or - used to denote the operation of subtraction and to indicate that a number is negative.
    • an indicator suggesting the operation of subtraction
  • adjective:
    • the sign [-] denoting minus, or less, prefixed to bad amounts, or amounts to be subtracted. See Bad sign, under Negative.

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