1
: of, relating to, or being a fraction
2
: of, relating to, or being fractional currency
3
: relatively small : inconsiderable
4
: of, relating to, or involving a process for separating components of a mixture through differences in physical or chemical properties
fractional distillation
fractionally adverb

Examples of fractional in a Sentence

There has been a fractional rise in the price of the stock. There is only a fractional improvement in the new version.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The process credits the net benefit ahead of the standard pay date and applies it to each fractional token held by investors. Malana Vantyler, jsonline.com, 11 Aug. 2026 That work can usually sit with the fractional security leadership a business already retains, at a fraction of the cost. Keegan Crage, Forbes.com, 10 Aug. 2026 Treatments such as Fraxel, LaseMD Ultra, or even more aggressive CO₂ fractional lasers can stimulate collagen production, improve fine wrinkling, smooth texture and reduce pigmentation caused by years of sun exposure. Carlos Wolf, Miami Herald, 6 Aug. 2026 In 2024, Biden administration officials warned that Russia was deploying testing technology for such a device, known as a fractional orbital bombardment system. Anna Mulrine Grobe, Christian Science Monitor, 30 July 2026 See All Example Sentences for fractional

Word History

Etymology

fraction + -al entry 1

First Known Use

1650, in the meaning defined at sense 1

Time Traveler
The first known use of fractional was in 1650

Browse Nearby Words

Cite this Entry

“Fractional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fractional. Accessed 17 Aug. 2026.

Kids Definition

fractional

adjective
frac·​tion·​al ˈfrak-shnəl How to pronounce fractional (audio)
-shən-ᵊl
1
: of, relating to, or being a fraction
fractional equivalents of percentages
2
: fairly small
fractionally
adverb

Medical Definition

fractional

adjective
: of, relating to, or involving a process for separating components of a mixture through differences in physical or chemical properties
fractional distillation

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