ˌpīōˈsīəˌnās, -āz noun
( -s )
Etymology: New Latin pyocyaneus (specific epithet of Bacillus pyocyaneus, synonym of Pseudomonas aeruginosa ) ( from py- + cyaneus cyaneous) + English -ase
: a mixture of antibiotics once regarded as a specific bacteriolytic enzyme that is obtained from the bacillus of green pus ( Pseudomonas aeruginosa ) and that is a soluble, yellowish green, alkaline, amorphous substance capable of digesting various other bacteria (as those of typhoid fever, diphtheria, and cholera)