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nitrobacteria

American  
[nahy-troh-bak-teer-ee-uh] / ˌnaɪ troʊ bækˈtɪər i ə /

plural noun

SINGULAR

nitrobacterium

  1. certain bacteria in the soil involved in nitrifying processes.

nitrobacteria British  
/ ˌnaɪtrəʊbækˈtɪərɪə /

plural noun

  1. soil bacteria of the order Pseudomonadales that are involved in nitrification, including species of Nitrosomonas and Nitrobacter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of nitrobacteria

First recorded in 1890–95; nitro- + bacteria

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.