myxococcus

noun
myxo·​coc·​cus | \ -ˈkäk-əs How to pronounce myxococcus (audio) \

Medical Definition of myxococcus

1 capitalized : a genus of myxobacteria in which the rod-shaped vegetative cells are transformed into ovoid to spherical spores
2 plural myxococci\ -​ˈkäk-​ˌ(s)ī How to pronounce myxococci (audio)\ : any myxobacterium of the genus Myxococcus