1 entry 1 source
Nigrosine
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
A dark blue dyestuff, of the induline group; -- called also azodiphenyl blue.
1 entry 1 source
Part of speech: noun (n.)
A dark blue dyestuff, of the induline group; -- called also azodiphenyl blue.