abietinic acid
Chemistry. Now rare
noun
1A dibasic acid obtained from resin, said to have the formula C44H64O5.
2(In later use) = abietic acid.
Origin
Mid 19th century.
- twelvefold
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- twelve-inch single
- twelvemo
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- twenty-something (thirty-something, forty-something, etc.)
- twenty-three skidoo