nodule
/ˈnɒdjuːl/noun
1
- a small swelling or aggregation of cells in the body, especially an abnormal one小结节, 小瘤。
1.1
- （一般作root nodule）a swelling on a root of a leguminous plant, containing nitrogen-fixing bacteria（豆科植物的）根瘤。
2
- a small rounded lump of matter distinct from its surroundings, e.g. of flint in chalk, carbon in cast iron, or a mineral on the seabed（矿物）结核, 小圆块。
派生词
nodular
adjectivenodulated
adjectivenodulation
nounnodulose
adjectivenodulous
adjective词源
late Middle English: from Latin nodulus, diminutive of nodus 'knot'.