释义 |
nod·ule \ˈnäˌjül\ noun (-s) Etymology: Latin nodulus small knot, diminutive of nodus knot, node — more at net 1. obsolete : a small quantity of medicinal material tied up in a bag or bit of cloth 2. : a small rounded mass of irregular shape : a little lump: as a. : a small rounded lump of a mineral or mineral aggregate < a nodule of ironstone > b. (1) : a plant bud or gemma (2) : a thickening on the valve of a diatom (3) : one of the swellings on the roots of a leguminous plant that contains symbiotic bacteria c. : the nodulus of the cerebellum d. : a small abnormal knobby protuberance (as of tumorous growth or of calcification near an arthritic joint) |