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fractional

American  
[frak-shuh-nl] / ˈfræk ʃə nl /
Also fractionary

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.


fractional British  
/ ˈfrækʃənərI, 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

"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

Other Word Forms

Etymology

Origin of fractional

First recorded in 1665–75; fraction + -al 1

Vocabulary lists containing fractional

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Both have tested Fractional Orbital Bombardment Systems which are harder to track.

From BBC • Jul. 16, 2025

Fractional owners pay at least six figures for their slice of the plane, plus a monthly maintenance fee, an hourly flying rate and a hodgepodge of other charges, such as fuel.

From Washington Post • Nov. 28, 2022

The Russians developed the Fractional Orbital Bombardment System decades ago, but gave it up after the U.S. put up satellites that could warn of a missile attack from all angles.

From Slate • Oct. 28, 2021

Fractional Orbital Bombardment would also be a way for China to avoid U.S. missile defenses in Alaska, which are designed to combat a limited number of weapons from a country like North Korea.

From Reuters • Oct. 27, 2021

Even Fractional Persians like me and Laleh dream sweet, exquisite dreams of chelo kabob.

From "Darius the Great Is Not Okay" by Adib Khorram