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fractional

[frak-shuh-nl] /ˈfræk ʃə nl/
adjective
1.
pertaining to fractions; comprising a part or the parts of a unit; constituting a fraction:
fractional numbers.
2.
comparatively small; inconsiderable or insignificant:
The profit on the deal was fractional.
3.
Chemistry. of or noting a process, as distillation, crystallization, or oxidation, by which the component substances of a mixture are separated according to differences in certain of their properties, as boiling point, critical temperature, or solubility.
Also, fractionary
[frak-shuh-ner-ee] /ˈfræk ʃəˌnɛr i/ (Show IPA)
.
Origin
1665-1675
1665-75; fraction + -al1
Related forms
fractionally, adverb
subfractional, adjective
subfractionally, adverb
subfractionary, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for subfractional

fractional

/ˈfrækʃənəl/
adjective
1.
relating to, containing, or constituting one or more fractions
2.
of or denoting a process in which components of a mixture are separated by exploiting differences in their physical properties, such as boiling points, solubility, etc: fractional distillation, fractional crystallization
3.
very small or insignificant
4.
broken up; fragmented
Derived Forms
fractionally, adverb
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
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Word Origin and History for subfractional

fractional

adj.

1670s, from fraction + -al (1).

Online Etymology Dictionary, © 2010 Douglas Harper
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