Definition of actinomyces
: any of a genus (Actinomyces) of filamentous or rod-shaped bacteria that includes usually commensal and sometimes pathogenic forms inhabiting mucosal surfaces especially of the oral cavity of warm-blooded vertebrates
Medical Definition of actinomyces
1 capitalized : a genus of filamentous or rod-shaped gram-positive bacteria of the family Actinomycetaceae that includes usually commensal and sometimes pathogenic forms inhabiting mucosal surfaces especially of the oral cavity—compare actinomycosis
2plural actinomyces : a bacterium of the genus Actinomyces
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