• synonyms


[ad-end, uh-dend]
noun Mathematics.
  1. any of a group of numbers or terms added together to form a sum.
  2. (formerly) a number that is added to another in forming a sum.
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Compare augend.

Origin of addend

First recorded in 1905–10; shortening of addendum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for addend

Historical Examples of addend

  • "I will addend to it, Leftenant," replied Meyer with perfect calmness and with his mechanical salute.


    John William De Forest

  • In arithmetic operations it holds the addend, subtrahend, multiplicand, or divisor.

British Dictionary definitions for addend


  1. any of a set of numbers that is to be addedCompare sum 1 (def. 1)
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Word Origin for addend

C20: short for addendum
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

addend in Science


  1. A number that is added to another number.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.