Tall-oil meaning

täl, tôl
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.
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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.
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A dark yellow resinous acidic oil obtained as a byproduct during the pulping of pine; it is used in the manufacture of soaps and lubricants.
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Origin of tall-oil

  • Partial translation of German Tallöl from partial translation of Swedish tallolja tall pine (from Old Norse thöll young pine tree) olja oil

    From American Heritage Dictionary of the English Language, 5th Edition