Actinomycesnoun
A bacterium (species) of the genus Actinomyces.
Actinomycesnoun
soil-inhabiting saprophytes and disease-producing plant and animal parasites
Actinomyces
Actinomyces is a genus of the Actinobacteria class of bacteria. They all are Gram-positive.
Actinomycetesnoun
branched gram-positive bacteria, often found in soil, some of which are pathogenic for humans and animals.