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B_____
Definitions
occurs in natural gas; used in the manufacture of rubber and fuels
Word origin
IUPAC nomenclature, from but- (“four carbon prefix”) + -ane (“alkane suffix”), the former is derived from the same stem as the foul-smelling carboxylic acid liberated in rancid butter, "butyric acid", hence cognate with butter.
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
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