Breadcrumb Home > Dictionary > Index N nitrobacteria: Meaning and Definition of Find definitions for: ni•tro•bac•te•ri•a Pronunciation: (nī"trō-bak-tēr'ē-u), [key] — sing. -te•ri•um certain bacteria in the soil involved in nitrifying processes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nitrobacteria (Thesaurus) nitro nitrobenzene TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: radula Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language