Nitrobacter
/ˈnʌɪtrəʊˌbaktə/Microbiology
noun
A genus of Gram-negative bacteria (family Nitrobacteraceae), whose members are found in soil and water and have the ability to oxidize nitrites to nitrates; (also nitrobacter) a bacterium of this genus.
Origin
Early 20th century. From scientific Latin Nitrobacter, genus name from nitro- + bacter- (in bacterium).