plural noun, singular nitrobacterium [nahy-troh-bak-teer-ee-uhm] .
certain bacteria in the soil involved in nitrifying processes.

1890–95; nitro- + bacteria Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To nitro-bacterium
World English Dictionary
nitrobacteria (ˌnaɪtrəʊbækˈtɪərɪə)
pl n , sing -terium
soil bacteria of the order Pseudomonadales that are involved in nitrification, including species of Nitrosomonas and Nitrobacter

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature