purple bacteria

1. 1.

   free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll

   Broaderphototrophic bacteria

Questions about purple bacteria

What does purple bacteria mean?

purple bacteria means "free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll".

Is purple bacteria a common word?

purple bacteria is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.