Definition of micrococcus in US English:



  • A spherical bacterium that is typically found on dead or decaying organic matter. Nonpathogenic forms are found on human and animal skin.

    Family Micrococcaceae of Gram-positive nonmotile bacteria, in particular the genera Micrococcus and Staphylococcus

    • ‘Besides anthrax research, he focused on several other projects, including wound infections and micrococci in septicemic animals (later identified as streptococci and staphylococci).’
    • ‘The only organisms isolated were diphtheroids, coagulase-negative staphylococci, and micrococci.’
    • ‘The majority of flora isolated were gram-positive cocci, including coagulase-negative staphylococci and micrococci, present in all positive cultures.’
    • ‘The Staph. aureus were differentiated from micrococci with the help of Baird-Parker's classification 7.’
    • ‘Spirochetes live in our gums; staphylococci, micrococci, and a small yeast from the genus Pityrosporon clothe our hides.’