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   nod·ule

   /ˈnäjo͞ol/

   noun

   • 1. a small swelling or aggregation of cells in the body, especially an abnormal one: "the area feels firm but has irregular nodules which can be painful to touch"
   • ▪ a swelling on a root of a leguminous plant, containing nitrogen-fixing bacteria.
   • 2. a small rounded lump of matter distinct from its surroundings, for example, of flint in chalk, carbon in cast iron, or a mineral on the seabed: "flint nodules"

   Word Origin late Middle English: from Latin nodulus, diminutive of nodus ‘knot’.

   Derivatives

   • 1. nodular adjective
   • 2. nodulose adjective
   • 3. nodulous adjective

   Scrabble Points: 7

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