methylene blue

noun

Definition of methylene blue

  1. :  a basic thiazine dye C16H18ClN3S·3H2O used especially as a biological stain, an antidote in cyanide poisoning, and an oxidation-reduction indicator

First Known Use of methylene blue

1882


Medical Dictionary

methylene blue

noun

Medical Definition of methylene blue

  1. :  a basic thiazine dye C16H18ClN3S·3H2O used in the treatment of methemoglobinemia, as an antidote in cyanide poisoning, as a biological stain, and as an oxidation-reduction indicator


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