sinigrin

sinigrin [sin-i-grin] WORD ORIGIN noun Chemistry. a colorless, crystalline, water-soluble solid, KC10H16NO9S2⋅H2O, found chiefly in the seeds of the black mustard, that deters some insect predators. Liberaldictionary.com

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Origin of sinigrin 1875–80; New Latin Sin(apis n)igr(a) species yielding black mustard seed (literally, black mustard; see sinapine, Negro) + -in2 Also called potassium myronate. Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019