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adjective
"pyroterebic acid" an unsaturated, oily carboxylic acid, prepared by distilling terebic acid.
Systematic name: 4-methyl-3-pentene-1-carboxylic acid; (CH₃)₂C=CHCH₂COOH.
Origin
Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist.
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