nigrosine

[ nahy-gruh-seen, -sin ]
/ ˈnaɪ grəˌsin, -sɪn /

noun Chemistry.

any of the class of deep blue or black dyes obtained by the oxidation of aniline, used as coloring agents in inks and shoe polishes and for dyeing leather, wood, textiles, and furs.
Also ni·gro·sin [nahy-gruh-sin] /ˈnaɪ grə sɪn/.

Origin of nigrosine

1890–95; < Latin nigr- (stem of niger) black, dark + -ose1 + -ine1

Words nearby nigrosine

nigra, nigrescent, nigrify, nigrities, nigritude, nigrosine, nigrostriatal, nih, nihe, nihil, nihil obstat

British Dictionary definitions for nigrosine

nigrosine

nigrosin (ˈnɪɡrəsɪn)

/ (ˈnɪɡrəˌsiːn, -sɪn) /

noun

any of a class of black pigments and dyes obtained from aniline: used in inks and shoe polishes and for dyeing textiles

Word Origin for nigrosine

C19: from Latin niger black + -ose 1 + -ine 1

Medical definitions for nigrosine

nigrosine
[ nī′grə-sēn′, -sĭn ]

n.

Any of a class of aniline dyes that vary from blue to black and are used as stains for nervous tissue and as a negative stain for bacteria and spirochetes.