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TAKE THE QUIZ“blue b”
The following 3 entries include the term blue b.
Delphine Blue B
noun: a blue oxazine mordant dye
Indigo Blue B
noun: a blue indigoid vat dye
Victoria Pure Blue B
noun: a Victoria blue dye made from the ethyl analogue of Michler's ketone and N-ethylalpha-naphthylamine
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Merriam-Webster unabridged
