manganese nodule

noun

A concretion of oxides of manganese and iron found on the seafloor.

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Meanings

nounmanganese nodule (plural manganese nodules)

plural manganese nodules

  1. geographyA concretion of oxides of manganese and iron found on the seafloor.

    1977 The most likely locations for early commercial mining of these seabed resources will be the Pacific Basin where there is a heavy concentration of manganese nodule sites at depths of between 12,500 feet and 17,500 feet. The Times - May 26, 1977 pg 27 col D

Cite this entry
APA

manganese nodule. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/manganese%20nodule

MLA

“manganese nodule.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/manganese%20nodule. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “manganese nodule,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/manganese%20nodule.

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