(ˈ)āˈkrōməˌbaktə(r) noun
Etymology: New Latin, from Greek achromos colorless + New Latin -bacter
1. capitalized : a genus (the type of the family Achromobacteriaceae) of saprophytic usually gram-negative rod-shaped bacteria that are common in water and soil, form no pigment, cause putrefaction of various organic substrates, and are often active denitrifying bacteria
2. -s : any bacterium of the genus Achromobacter