nodule
nod·ule / ˈnäjoōl/ • n. 1. a small swelling or aggregation of cells in the body, esp. an abnormal one. ∎ (usu. root nodule) 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.DERIVATIVES: nod·u·lar / -jələr/ adj.nod·u·lat·ed / -jəˌlātid/ adj.nod·u·la·tion / ˌnäjəˈlāshən/ n.nod·u·lose / -jəlōs/ adj.nod·u·lous / -jələs/ adj.
nodule
nodule (nod-yool) n. a small swelling or aggregation of cells.
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nodule