methylene blue

Noun
  1. A dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning (synset 114795431)
    is a type of:
    • thiazine - a compound made up of a ring of four carbon atoms and one sulfur atom and one nitrogen atom
    • stain - (microscopy) a dye or other coloring material that is used in microscopy to make structures visible
    same as: methylthionine chloride

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