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subtraction

 - 3 dictionary results

sub⋅trac⋅tion

[suhb-trak-shuhn]
–noun
1. an act or instance of subtracting.
2. Mathematics. the operation or process of finding the difference between two numbers or quantities, denoted by a minus sign (−).

Origin:
1350–1400; ME < LL subtractiōn- (s. of subtractiō) a withdrawing, equiv. to subtract(us) (see subtract ) + -iōn- -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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sub·trac·tion   (səb-trāk'shən)   
n.  
  1. The act or process of subtracting; deduction.

  2. Mathematics The arithmetic operation of finding the difference between two quantities or numbers.

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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Science Dictionary
subtraction   (səb-trāk'shən)  Pronunciation Key 
The operation of finding the difference between two numbers or quantities.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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