no·car·di·o·sis \nōˌkärdēˈōsə̇s\noun (pluralnocardio·ses \-ˈōˌsēz\) Etymology: New Latin, from Nocardia + -osis : actinomycosis caused by actinomycetes of the genus Nocardia and characterized by production of spreading granulomatous lesions — compare maduromycosis