We found one dictionary that defines the word phosphate nodule:

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1. Phosphate nodule: Wikipedia, the Free Encyclopedia

▸ Words similar to phosphate nodule ▸ Usage examples for phosphate nodule ▸ Idioms related to phosphate nodule ▸ Wikipedia articles (New!) ▸ Words that often appear near phosphate nodule ▸ Rhymes of phosphate nodule ▸ Invented words related to phosphate nodule