propane

From clipping of propionic acid + -ane, from French propionique, from Ancient Greek πρό (pró) + πίων (píōn, “fat”). Analyzable as prop- +‎ -ane, borrowing or calque of German Propan.

• enPR: prō'pān' IPA^(key): /ˈpɹoʊpeɪn/

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propane (countable and uncountable, plural propanes)

2. (organic chemistry) An aliphatic hydrocarbon, C₃H₈, a constituent of natural gas. [from 1867]
   • 1960 April, “Restaurant cars and multiple-units”, in Trains Illustrated, page 222:

     Propane gas is used for cooking and cylinder containers are placed to one side of the underframe, with battery boxes and electrical control boxes at the other side.

4. (US, synecdochically) LPG.

• E944 when used as a propellant

• alkane

• “propane”, in OneLook Dictionary Search.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “propane”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.

• on paper

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propane m (plural propanes)

1. propane

• “propane”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.