urocanic acid

noun uro·ca·nic acid \ˌyu̇r-ə-ˈkā-nik-, -ˈka-\

Definition of UROCANIC ACID

: a crystalline acid C₆H₆N₂O₂ that is normally present in human skin

¹ur- + canine + -ic; from its being first obtained from the urine of a dog

First Known Use: circa 1903

Medical Dictionary

noun uro·ca·nic acid \ˌyu̇r-ə-ˌkā-nik-, -ˌkan-ik-\

: a crystalline acid C₆H₆N₂O₂ normally present in human skin that is held to act as a screening agent for ultraviolet radiation

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