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fractional

[frak-shuh-nl]

Origin

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adjective

pertaining to fractions; comprising a part or the parts of a unit; constituting a fraction: fractional numbers.

comparatively small; inconsiderable or insignificant: The profit on the deal was fractional.

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] .

Origin:
1665–75; fraction + -al¹

Related forms

frac·tion·al·ly, adverb

sub·frac·tion·al, adjective

sub·frac·tion·al·ly, adverb

sub·frac·tion·ar·y, adjective

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Fractional is always a great word to know.

So is lye. Does it mean:

a highly concentrated, aqueous solution of potassium hydroxide or sodium hydroxide, or any solution resulting from leaching or percolation

the quantity of product formed by the interaction of two or more substances, generally expressed as a percentage

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Collins

World English Dictionary

fractional (ˈfrækʃən^əl, ˈfrækʃənərI)

—*adj*
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

fractionary

—*adj*
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

fractionally

—*adv*

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

fractional

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

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