süˌdämənəˈdā(ˌ)lēz, ˌsüdəmänəˈd- noun plural
Usage: capitalized
Etymology: New Latin, from Pseudomonad-, Pseudomonas + -ales
: a large order of spherical, rod-shaped or spiral eubacteria which are usually motile by polar flagella and some of which contain photosynthetic pigments — compare athiorhodaceae , caulobacteraceae , nitrobacteriaceae , pseudomonadaceae , spirillaceae , thiorhodaceae