fraction

noun

frac·​tion ˈfrak-shən How to pronounce fraction (audio)
1
a
: a numerical representation (such as ³/₄, ⁵/₈, or 3.234) indicating the quotient of two numbers
b(1)
: a piece broken off : fragment
(2)
: a discrete unit : portion
2
: one of several portions (as of a distillate) separable by fractionation
3
: bit, little
a fraction closer

Examples of fraction in a Sentence

a fraction of an inch if even a tiny fraction of that cookie broke off and fell into the delicate watch works, it could mess things up
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.
As with other agencies affected as part of Mr. Musk’s effort, only a small fraction of AmeriCorps employees remained at the headquarters in Washington on Thursday. Aishvarya Kavi, New York Times, 18 Apr. 2025 Soybean plantations capture only a fraction of the carbon that tropical rainforests do, and drive emissions through transportation and processing. Sarah Sax, The Atlantic, 16 Apr. 2025 The posters also assert that these goods, allegedly made in the same production lines as name-brand items, can be purchased for a fraction of the price if consumers bypass U.S. retailers. Matt Robison, MSNBC Newsweek, 16 Apr. 2025 The games were just a fraction of the weekend experience earlier this month. Lamond Pope, Chicago Tribune, 15 Apr. 2025 See All Example Sentences for fraction

Word History

Etymology

Middle English fraccioun "act or result of breaking, mathematical fraction," borrowed from Medieval Latin frāctiōn-, frāctiō "breaking, division into parts, mathematical fraction," going back to Late Latin, "breaking, weariness, illness," from Latin frag-, variant stem of frangere "to break, shatter" + -tiōn-, -tiō, suffix of verbal action — more at break entry 1

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of fraction was in the 14th century

Browse Nearby Words

Cite this Entry

“Fraction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fraction. Accessed 22 Apr. 2025.

Kids Definition

fraction

noun
frac·​tion ˈfrak-shən How to pronounce fraction (audio)
1
: a number (as ½, ¾, or 3.323) that represents a number of equal parts of a whole or the division of one number by another
2
: a part of a whole

Medical Definition

fraction

noun
frac·​tion ˈfrak-shən How to pronounce fraction (audio)
: one of several portions (as of a distillate) separable by fractionation
gamma globulin is a fraction of blood plasma

More from Merriam-Webster on fraction

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