fraction Definition in the Cambridge English Dictionary
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Definition of “fraction” - English Dictionary

Definition of "fraction" - American English Dictionary

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fractionnoun [C]

 us   /ˈfræk·ʃən/
mathematics a ​number that ​results from ​dividing one whole number (= a ​number with no ​part of a ​number after it) by another: 1/4 and 0.25 are different ​ways of ​representing the same fraction. A fraction is also a very ​smallpart or ​amount of something: Counterfeits are ​sold at a fraction of the ​cost of the ​genuinearticles. Juries often ​hear only a fraction of the ​story.
fractional
adjective mathematics
(Definition of fraction from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "fraction" - British English Dictionary

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fractionnoun [C]

uk   us   /ˈfræk.ʃən/
C2 a ​number that ​results from ​dividing one ​wholenumber by another: ¼ and 0.25 are different ​ways of ​representing the same fraction. a ​smallpart of something, or a ​smallamount: Although ​sexual and ​violent crimes have ​increased by 13 ​percent, they ​remain only a ​tiny/​small fraction of the ​totalnumber of crimes ​committed each ​year. They can ​produce it at a fraction of the ​cost of (= much more ​cheaply than)traditionalmethods. Could you just ​move a fraction to the ​right, so I can get by?
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(Definition of fraction from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "fraction" - Business English Dictionary

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fractionnoun [C, usually singular]

uk   us   /ˈfrækʃən/
a ​smallpart or ​amount of something: The company's ​computers only ​represent a fraction of the ​market.
(Definition of fraction from the Cambridge Business English Dictionary © Cambridge University Press)
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