root nodule

noun

A specialized organ that forms on the roots of certain plants, primarily legumes, as a result of a symbiotic interaction between the plant and nitrogen-fixing bacteria known as rhizobia, allowing the plant to obtain nitrogen directly from the atmosphere.

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Meanings

nounroot nodule (plural root nodules)

plural root nodules

  1. biologyA specialized organ that forms on the roots of certain plants, primarily legumes, as a result of a symbiotic interaction between the plant and nitrogen-fixing bacteria known as rhizobia, allowing the plant to obtain nitrogen directly from the atmosphere.

Translations

Chinese Mandarin 根瘤
  • 根瘤 (gēnliú)Translations
Finnish juurinystyrä
  • juurinystyräTranslations
Cite this entry
APA

root nodule. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/root%20nodule

MLA

“root nodule.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/root%20nodule. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “root nodule,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/root%20nodule.

Source: root nodule on Wiktionary, CC BY-SA 4.0.