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Definition of Black mustard
1. Noun. Widespread Eurasian annual plant cultivated for its pungent seeds; a principal source of table mustard.
Exact synonyms: Brassica Nigra
Terms within: Mustard Seed
Group relationships: Brassica, Genus Brassica
Generic synonyms: Mustard
Terms within: Mustard Seed
Group relationships: Brassica, Genus Brassica
Generic synonyms: Mustard
Medical Definition of Black mustard
1. The dried ripe seed of Brassica nigra or of B. Juncea; it is the source of allyl isothiocyanate; it contains sinigrin (potassium myronate); myrosin; sinapine sulfocyanate; erucic, behenic, and synapolic acids; and fixed oil; a prompt emetic, a rubefacient, and a condiment. (05 Mar 2000)