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fractionate

American  
[frak-shuh-nayt] / ˈfræk ʃəˌneɪt /

verb (used with object)

fractionated, fractionating
  1. to separate or divide into component parts, fragments, divisions, etc.

  2. to separate (a mixture) into ingredients or into portions having different properties, as by distillation or crystallization; cause to undergo fractional distillation, crystallization, or the like.

  3. to obtain by such a process.


fractionate British  
/ ˈfrækʃəˌneɪt /

verb

  1. to separate or cause to separate into constituents or into fractions containing concentrated constituents

  2. (tr) chem to obtain (a constituent of a mixture) by a fractional process

"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 fractionate

First recorded in 1865–70; fraction + -ate 1


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.

See Examples For:

"And if there's less precipitation, the isotopes are going to fractionate differently than normal," he said.

From Science Daily ● Nov. 15, 2023

"Then we would carry them up to the 15th floor where we would fractionate and purify them."

From Reuters ● May 5, 2010

Under its most recent chairman, Alabama's easygoing John Sparkman, the committee "had begun to fractionate," says Church, in typically grand language.

From Time Magazine Archive

Then Yale chemist Benjamin Silliman Jr. showed how crude oil could be fractionated into various liquids, one of which was kerosene, an excellent illuminant that was much cheaper than whale oil.

From The Wall Street Journal ● Aug. 2, 2026

The Nature Biomedical Engineering study described the material as an intravascularly infused extracellular matrix biomaterial made from decellularized, enzymatically digested, and fractionated ventricular myocardium.

From Science Daily ● May 5, 2026

In this relational void, where the story often feels fractionated rather than woven, the wildfire itself emerges as the book's main character.

From Scientific American ● Jun. 18, 2023

In today’s world of fractionated media, the celebrity status once enjoyed by Truman Capote, Gore Vidal and Norman Mailer may be impossible to duplicate.

From Washington Post ● Dec. 6, 2022

The distillate is fractionated, and the portion, boiling between 50° and 60° C., mixed with strong solution of sodium bisulphite.

From Nitro-Explosives: A Practical Treatise by P. Gerald (Percy Gerald) Sanford

The crude oil is heated to high temperatures at the base of a tall fractionating column, vaporizing many of the components that rise within the column.

From Textbooks ● Feb. 14, 2019

It was only decades later that scientists discovered why fractionating doses definitely improves radiation therapy outcomes, and homeopathy had nothing to do with it.

From Slate ● May 4, 2016

But in 1926 University of Chicago Chemist Fred Koch and his assistant Lemuel McGee began dissolving, fractionating and distilling tons of bulls' testicles in an attempt to discover what it is that makes bulls bulls.

From Time Magazine Archive

Counting everything from handsaws, screwdrivers and light machines to fractionating towers, railroad sidings, dams and shipyards, the new industrial investment from July 1940 to the end of 1943 came to something more than $20 billion.

From Time Magazine Archive

The liquid there heated and changed state, rising as vapor through the fractionating column to catch in the condenser and trickle in droplets into the collection flask.

From "Strange the Dreamer" by Laini Taylor

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