| ̷ ̷ ̷ ̷+ noun plural
Usage: capitalized
Etymology: New Latin, from Chlorobacterium, type genus + -aceae
: a family of eubacteria (suborder Rhodobacteriinae) comprising the green sulfur bacteria and distinguished by a photosynthetic pigment related to but distinct from both the chlorophyll of higher plants and the bacterio-chlorophyll of the purple sulfur bacteria