EXAMPLES | WORD ORIGIN noun . Chemistry, Pharmacology a dark-green, crystalline compound, C 1 6H 1 8ClN 3S, 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. Origin of methylene blue
First recorded in
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for methylene blue Historical Examples of methylene blue British Dictionary definitions for methylene blue noun a dark-green crystalline compound forming a blue aqueous solution, used as a mild antiseptic and biological stain. Formula: C 16 H 18 N 3 SCl.3H 2 O Also called: methylthionine chloride
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methylene blue in Medicine n. A basic aniline dye that forms a deep blue solution when dissolved in water and is used as a bacteriological stain and as an antidote for cyanide poisoning.
The American Heritage® Stedman's Medical Dictionary
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methylene blue in Science A basic dye that forms a deep blue solution when dissolved in water. It is used as an antidote for cyanide poisoning and as a bacteriological stain. Chemical formula: C 16H 18N 3SCl.
The American Heritage® Science Dictionary
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