Search Result for "nitrate bacterium":
Wordnet 3.0

NOUN (1)

1. any of the nitrobacteria that oxidize nitrites into nitrates;
[syn: nitrate bacterium, nitric bacterium]



WordNet (r) 3.0 (2006):

nitrate bacterium
    n 1: any of the nitrobacteria that oxidize nitrites into
         nitrates [syn: nitrate bacterium, nitric bacterium]