Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of nitrobacterium.

from the GNU version of the Collaborative International Dictionary of English

  • n. Soil bacteria that convert nitrites to nitrates.

from The Century Dictionary and Cyclopedia

  • Soil bacteria which oxidize nitrous acid to nitric acid. See nodule- bacteria, with cut.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. soil bacteria that convert nitrites to nitrates

Etymologies

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