: any of three isomeric alkanes C5H12 that occur especially in petroleum
Examples of pentane in a Sentence
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Rather, the heat of the combustion chamber caused a layer of liquid to form on the surface of the solid pentane.
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IEEE Spectrum, 5 Nov. 2014
But frozen pentane itself didn’t make for a promising fuel.
—IEEE Spectrum, 5 Nov. 2014
Thermally expandable microspheres, by contrast, are plastic bubbles, ten microns across, that are filled with a hydrocarbon such as butane, pentane or octane.
—The Economist, 28 May 2020
Known in the industry as a fractionator, the plant will receive 110,000 barrels of raw natural gas liquids per day and separate them into their more valuable components such as ethane, propane, butane and pentane.
—Sergio Chapa, Houston Chronicle, 12 Dec. 2019
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IEEE Spectrum, 5 Nov. 2014
But frozen pentane itself didn’t make for a promising fuel.
—IEEE Spectrum, 5 Nov. 2014
Thermally expandable microspheres, by contrast, are plastic bubbles, ten microns across, that are filled with a hydrocarbon such as butane, pentane or octane.
—The Economist, 28 May 2020
Known in the industry as a fractionator, the plant will receive 110,000 barrels of raw natural gas liquids per day and separate them into their more valuable components such as ethane, propane, butane and pentane.
—Sergio Chapa, Houston Chronicle, 12 Dec. 2019
See All Example Sentences for pentane
Cite this Entry
“Pentane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pentane. Accessed 28 May. 2025.
Copy CitationMedical Definition
pentane
noun
pen·tane
ˈpen-ˌtān 
: any of three isomeric alkanes C5H12 occurring in petroleum
especially
: the volatile flammable liquid straight-chain isomer that has been used to produce anesthesia
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