Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.


The dried ripe seed of Linum usitatissimum (family Linaceae), flax, the fiber of which is used in the manufacture of linen; an infusion was formerly used as a demulcent in catarrhal affections of the respiratory and urogenital tracts, and the ground seeds are used in making poultices.
Synonym(s): flaxseed
[G. linon, flax]


/lin·seed/ (lin´sēd) flaxseed; the dried ripe seed of Linum usitatissimum, the common flax plant, used as a laxative and a topic demulcent and emollient, and a source of α.


The seed of flax, especially when used as the source of linseed oil; flaxseed.


Herbal medicine
An annual, the oil and seeds of which contain a cyanogenic glycoside, fixed oils (e.g., linoleic and linolenic acids), mucilage and protein; it has been used internally as a laxative and antitussive, and topically to treat burns.


n Latin name:
Linum usitatissimum; part used: seeds; uses: emollient, laxative, anticholesterolemic; topically used as an inflammatory; precautions: persons with bowel obstruction or dehydration. Overdose may cause weakness, seizures, paralysis, and death. Also called
flaxseed, linseed, lint bells, linen flax, and



linseed cake
the residue after the removal of the linseed oil by commercial processes. Contains cyanogenetic glycosides and may cause poisoning.
linseed meal
cake ground into meal.
linseed oil
used at one time as a lubricant laxative for horses in doses of 1 to 2 quarts as a drench. Has the unfortunate effect on unpredictable occasions of causing superpurgation and is generally supplanted by mineral oil.
References in periodicals archive ?
In the conditions of this study and in comparison to the placebo, the organic linseed extract formulated at 4% in an emulsion significantly reduces the sensations of discomfort resulting from the application of a 10% solution of lactic acid on nostril "wings":
Effect of linseed oil and fish oil alone or as an equal mixture on ruminal fatty acid metabolism in growing steers fed maize silage-based diets.
Of the two million tons of plasticisers produced globally, for example, 75% are synthesised from petrochemicals, while 25% originate from 'chemically epoxidised' soybean, linseed and tung oils.
For Valerian root and Linseed, the draft entries to the list correspond to the respective "traditional" columns of the monographs.
The rub-out of a weighed amount of pigment is made on a glass plate or marble slab as linseed oil is slowly dripped from a dropping bottle or buret.
A Five to seven coats of linseed oil on bare wood and one to two coats to freshen up existing pre-treated wood should do the trick.
Linseed oil putty can be messy to work with so wet your hands to prevent sticking, and if necessary roll the putty on newspaper or card to remove some of the oil.
Which doughy material used as a filler is produced from crushed chalk and linseed oil?
A STAINED ceramic or enamelled bath can be cleaned with equal quantities of turpentine and linseed oil.
Chemical composition of concentrate and grass silage used in the experiment % Dry matter Concentrate Grass Palm Whole silage oil linseed Dry matter 92.
The Keating family, of Holme Avenue in Whickham, had been using linseed oil on a work surface in their utility room.
Laboratories then confirmed the detection of GM linseed variety FP967/CDC Triffid, which is approved for human and animal consumption in the US and Canada, but is unapproved in the EU.