propane

noun

pro·​pane ˈprō-ˌpān How to pronounce propane (audio)
: a heavy flammable gaseous alkane C3H8 found in crude petroleum and natural gas and used especially as fuel and in chemical synthesis

Examples of propane in a Sentence

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.
All six of the cars carrying liquid propane have been pulled out of the Willimantic River and are now on solid ground, according to Alexis Paquette, spokesperson for the Connecticut Division of Emergency Management and Homeland Security. Stephen Underwood, Hartford Courant, 7 Feb. 2026 At a noon press conference, authorities said four of those train cars were carrying liquid propane and landed in the frigid Willimantic River. Brian Niemietz, New York Daily News, 5 Feb. 2026 Nearby, a mechanic named Andriy was using a propane torch to defrost the bolts on a steel valve that connected the plant’s boilers to its turbines. Michael Holtz, New Yorker, 5 Feb. 2026 Six railcars carrying liquid propane went fully off the track, with four ending up in water, officials said. Meredith Deliso, ABC News, 5 Feb. 2026 See All Example Sentences for propane

Word History

Etymology

International Scientific Vocabulary prop- + -ane

First Known Use

1867, in the meaning defined above

Time Traveler
The first known use of propane was in 1867

Browse Nearby Words

Cite this Entry

“Propane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/propane. Accessed 12 Feb. 2026.

Kids Definition

propane

noun
pro·​pane ˈprō-ˌpān How to pronounce propane (audio)
: a heavy flammable gas found in crude petroleum and natural gas and used especially as fuel and in the chemical industry

Medical Definition

propane

noun
pro·​pane ˈprō-ˌpān How to pronounce propane (audio)
: a heavy flammable gaseous alkane C3H8 found in crude petroleum and natural gas and used especially as fuel and in chemical synthesis

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