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minus sign

noun Arithmetic.
  1. the symbol (−) denoting subtraction or a negative quantity.
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Origin of minus sign

First recorded in 1660–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for minus sign

minus sign

noun
  1. the symbol –, indicating subtraction or a negative quantity
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012