nodule

views updated May 29 2018

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.

The Oxford Pocket Dictionary of Current English

nodule

views updated Jun 08 2018

nodule (in botany) See root nodule.

A Dictionary of Biology

nodule

views updated May 29 2018

nodule See ROOT NODULE.

A Dictionary of Plant Sciences MICHAEL ALLABY

nodule

views updated Jun 11 2018

nodule (nod-yool) n. a small swelling or aggregation of cells.

A Dictionary of Nursing

nodule

views updated May 08 2018

nodule A spherical or oval concretion.

A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY

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