Dictionary.com

fraction

[ frak-shuhn ]
/ ˈfræk ʃən /
See synonyms for: fraction / fractions on Thesaurus.com

noun

verb (used with or without object)

to divide or break into fractions, sections, factions, etc.: Dissension threatens to fraction the powerful union.

QUIZZES

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In our third teacher-created PSAT practice test there are new and unique vocabulary terms you may have never heard of! Can you guess what they mean?
Question 1 of 10
seclusion
a false belief or opinion.
the matter that settles to the bottom of a liquid.
the state of being isolated, kept apart, or withdrawn into solitude.
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Origin of fraction

First recorded in 1350–1400; Middle English fraccioun, from Late Latin frāctiōn- (stem of frāctiō) “a breaking (in pieces),” equivalent to Latin frāct(us) (past participle of frangere “to break, shatter”; see break) + -iōn--ion

synonym study for fraction

3, 6. See part.

OTHER WORDS FROM fraction

sub·frac·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Words related to fraction

portion, chunk, half, ratio, division, cut, end, fragment, section, share, slice, piece, bite, subdivision, part, partial, bit, segment, quotient

Example sentences from the Web for fraction

British Dictionary definitions for fraction

fraction
/ (ˈfrækʃən) /

noun

verb

(tr) to divide

Word Origin for fraction

C14: from Late Latin fractiō a breaking into pieces, from Latin fractus broken, from frangere to break
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

Medical definitions for fraction

fraction
[ frăk′shən ]

n.

An expression that indicates the quotient of two quantities.
A chemical component separated by fractionation.
A disconnected piece; a fragment.
An aliquot portion or any portion.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for fraction

fraction
[ frăk′shən ]

A number that compares part of an object or a set with the whole, especially the quotient of two whole numbers written in the form ab. The fraction 12, which means 1 divided by 2, can represent such things as 10 pencils out of a box of 20, or 50 cents out of a dollar. See also decimal fraction improper fraction proper fraction.
A chemical component separated by fractionation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for fraction

fraction

A mathematical expression representing the division of one whole number by another. Usually written as two numbers separated by a horizontal or diagonal line, fractions are also used to indicate a part of a whole number or a ratio between two numbers. Fractions may have a value of less than one, as with 1/2, or equal to one, as with 2/2, or more than one, as with 3/2. The top number of a fraction is the numerator and the bottom number is the denominator.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.