subtraction Hear it!

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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