fractional

[frak-shuh-nl]
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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 frac·tion·ar·y [frak-shuh-ner-ee] /ˈfræk ʃəˌnɛr i/.

Origin of fractional

First recorded in 1665–75; fraction + -al1
Related formsfrac·tion·al·ly, adverbsub·frac·tion·al, adjectivesub·frac·tion·al·ly, adverbsub·frac·tion·ar·y, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for fractionally

moderately, partly, somewhat, halfway, piecemeal, fractionally

Examples from the Web for fractionally

Historical Examples of fractionally


British Dictionary definitions for fractionally

fractional

fractionary (ˈfrækʃənərI)

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, etcfractional distillation; fractional crystallization
  3. very small or insignificant
  4. broken up; fragmented
Derived Formsfractionally, 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

Word Origin and History for fractionally

fractional

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper