Methylthioninium

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The heterocyclic cation 3,7-bis(dimethylamino)-phenothiazin-5-ium, which is the basis of methylene blue uncountable

    "Methylene blue (MB, methylthioninium chloride) is a phenothiazine that crosses the blood brain barrier and acts as a redox cycler."

Example

More examples

"Methylene blue (MB, methylthioninium chloride) is a phenothiazine that crosses the blood brain barrier and acts as a redox cycler."

Etymology

From methyl + thionine + -ium (“quaternary ammonium compound”).

Related phrases

methylthioninium chloridemethylene blue

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.