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tall oil

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a resinous liquid obtained as a byproduct in the manufacture of chemical wood pulp: it is used in the manufacture of soap, varnishes, linoleum, etc.

Origin: half-transl. of Ger tallöl, half-transl. of Swed tallolja, lit., pine oil < tall, pine < ON thǫll, young fir (< IE base *tal-, to sprout > tailor) + Swed olja, oil < MLowG olie < VL olium, for L oleum, oil

See tall oil in American Heritage Dictionary 4

noun

A resinous oily liquid composed of a mixture of rosin acids and fatty acids obtained as a byproduct in the treatment of pine pulp and used in soaps, emulsions, and lubricants.

Origin:

Origin: Partial translation of German Tallöl

Origin: , from partial translation of Swedish tallolja

Origin: : tall, pine (from Old Norse thöll, young pine tree)

Origin: + olja, oil

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