NIGROSINE
Etymology
Noun
nigrosine (countable and uncountable, plural nigrosines)
A dark blue synthetic dyestuff of the induline group.
Synonyms
• azodiphenyl blue
Anagrams
• signorine
Source: Wiktionary
Ni"gro*sine ( or ), n. Etym: [From L. niger black.] (Chem.)
Definition: A dark blue dyestuff, of the induline group; -- called also azodiphenyl blue.
Source: Webster’s Unabridged Dictionary 1913 Edition
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