-rēˈī(ˌ)nē noun plural
Usage: capitalized
Etymology: New Latin, from Rhodobacterium + -inae
: a suborder of Pseudomonadales comprising bacteria that contain bacteriochlorophyll or a related green pigment and carry on a form of photosynthesis not resulting in release of free oxygen but requiring extraneous oxidizable material (as hydrogen, reduced sulfur compounds, or alcohols) which is dehydrogenated with concurrent reduction of carbon dioxide to form water as a metabolic end product