[ sin-i-grin ]
/ ˈsɪn ɪ grɪn /

noun Chemistry.

a colorless, crystalline, water-soluble solid, KC10H16NO9S2⋅H2O, found chiefly in the seeds of the black mustard, that deters some insect predators.

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. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019