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Webster 1913 Edition

Pyocyanin

Pyˊo-cy′a-nin

,

Noun.

[Gr. [GREEK] pus + [GREEK] dark blue.]

(Physiol. Chem.)

A blue coloring matter found in the pus from old sores, supposed to be formed through the agency of a species of bacterium (

Bacillus pyocyaneus

).