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Webster's New World College Dictionary » subtraction
subtraction
subtraction definition
sub·trac·tion (səb trak′s̸hən)
noun
a subtracting or being subtracted; esp., the mathematical process of finding the difference between two numbers or quantities
Etymology: ML subtractio < LL(Ec), a drawing back
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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