subtraction

noun

sub·​trac·​tion səb-ˈtrak-shən How to pronounce subtraction (audio)
Synonyms of subtractionnext
: an act, operation, or instance of subtracting: such as
a
: the withdrawing or withholding of a right to which an individual is entitled
b
: the operation of deducting one number from another

Examples of subtraction in a Sentence

The children are learning addition and subtraction. the restaurant may not have raised the price, but there's definitely been a subtraction in the number of fries in a side order
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Administration’s strategy seems to hinge on a fantasy of radical subtraction—removing people who would dilute the country’s white majority. Jonathan Blitzer, New Yorker, 7 June 2026 The additions come in the wake of some subtraction. David Lyons, Sun Sentinel, 3 June 2026 What many people don’t realize is that the academic subject of mathematics is not about doing quick sums and subtractions in your head. Manon Bischoff, Scientific American, 26 May 2026 Summer is a season of subtraction, of revelation. Max Berlinger, Vogue, 22 May 2026 See All Example Sentences for subtraction

Word History

Etymology

Middle English subtraccion, from Anglo-French sustraction, subtraction, from Late Latin subtraction-, subtractio, from Latin subtrahere

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of subtraction was in the 15th century

Browse Nearby Words

Cite this Entry

“Subtraction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subtraction. Accessed 17 Jun. 2026.

Kids Definition

subtraction

noun
sub·​trac·​tion səb-ˈtrak-shən How to pronounce subtraction (audio)
1
: an act or instance of subtracting
2
: the operation of deducting one number from another

More from Merriam-Webster on subtraction

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster