carminic acid

noun
car·​min·​ic acid | \ kär-ˌmin-ik- How to pronounce carminic acid (audio) \

Medical Definition of carminic acid

: a red crystalline anthraquinone dye C22H20O13 best known as the essential coloring matter of cochineal and used chiefly as a biological stain

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“Carminic acid.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/carminic%20acid. Accessed 29 Oct. 2020.

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