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minus sign

 - 2 dictionary results

minus sign

–noun Arithmetic.
the symbol (−) denoting subtraction or a negative quantity.

Origin:
1660–70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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minus sign  
n.  
  1. Mathematics The symbol -, as in 4 - 2 = 2, that is used to indicate subtraction or a negative quantity.

  2. Chemistry The same symbol, used to indicate levorotatory rotation of polarized light.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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