A colorless, flammable gas used as fuel for heating, cooking, and powering vehicles. A hydrocarbon compound with the chemical formula C₃H₈.
From 'propionic acid' + suffix '-ane' (indicating saturated hydrocarbons). Coined in the late 19th century as chemists systematically named organic compounds, combining Greek 'pro-' (before) + 'pion' (fat) + chemical suffix.
Propane's name literally means 'before fat' because it was chemically related to propionic acid, which was first isolated from dairy fat. This seemingly mundane fuel connects backyard barbecues to ancient Greek concepts of fatness, showing how scientific naming preserves linguistic history in unexpected places.
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