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Noun: nodule  nó-jool [N. Amer], nód-yool [Brit]
  1. A small node
  2. Small rounded wartlike protuberance on a plant
    - tubercle
  3. (mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment)

Derived forms: nodules

Type of: enation, hunk, lump, node, plant process

Encyclopedia: Nodule