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Meaning of methylene blue

meth'ylene blue'

Pronunciation: [key]
  1. a dark-green, crystalline compound, CHClNS, that dissolves in water to form a deep-blue solution: used chiefly as a dye, as a bacteriological and biological stain, and as an antidote for cyanide poisoning. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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