Medical Dictionary


noun pyo·cy·a·nin \ˌpī-ō-ˈsī-ə-nən\

Medical Definition of PYOCYANIN

:  a toxic blue crystalline pigment C13H10N2O that is formed in the metabolism of a bacterium of the genus Pseudomonas (P. aeruginosa), gives a bluish tint to pus infected with this organism, is a quinone imine related to phenazine, and has antibiotic activity especially toward gram-positive bacteria

Variants of PYOCYANIN

pyo·cy·a·nin or pyo·cy·a·nine \-ˌnēn\


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears