n.
- a small swelling or aggregation of cells, especially an abnormal one.
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(usu. root nodule)
a swelling on a root of a leguminous plant, containing nitrogen-fixing bacteria.
- a small rounded lump of matter distinct from its surroundings.
Derivative
- nodular adj.
- nodulated adj.
- nodulation n.
- nodulose adj.
Etymology
ME: from L. nodulus, dimin. of nodus ‘knot’.
