before 1000; Middle English linsed, Old English līnsǣd. See line1, seed Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
linseed (ˈlɪnˌsiːd)
another name for flaxseed
[Old English līnsǣd, from līn flax + sǣd seed]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

O.E. linsæd "seed of flax," widely regarded in ancient times as a source of medical treatments, from lin "flax" (see linen) + sæd "seed."
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica


seed of a variety of the common flax, Linum usitatissimum, grown for its yield of linseed oil and meal. This variety of flax has shorter straw, more branches, and more seeds than other varieties that are grown primarily for linen fibre. It is cultivated principally in Argentina, Canada, the United States, Russia, and Ukraine.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
There are no sharp edges, and the wood is finished with linseed oil.
Glazing compound should only be used on wood which has been brushed with linseed oil and primed with an oil based primer or paint.
Some other old varnishes, especially those that contain linseed oil, may appear as a bluish haze.
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