methylene blue

noun
|Updated on: 6 May 2018

Definition of methylene blue

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

Recent Examples of methylene blue from the Web

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First Known Use of methylene blue

1882

in the meaning defined above

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Medical Dictionary

methylene blue

noun

medical Definition of methylene blue

: 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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