Dictionary Definition
nodule
Noun
1 a small node
2 small rounded wartlike protuberance on a plant
[syn: tubercle]
3 (mineralogy) a small rounded lump of mineral
substance (usually harder than the surrounding rock or
sediment)
User Contributed Dictionary
English
Noun
- A rounded mass or irregular shape; a little knot or lump.
Extensive Definition
A nodule describes an aggregation of similar
cells or particles in a number of scientific fields:
- Nodule (geology), a small knobbly rock or mineral cluster, such as a manganese nodule
- Nodule (medicine), a small aggregation of cells
- Root nodule, an outgrowth formed on the roots of legumes that house symbiotic bacteria that fix atmospheric nitrogen and provide it to the plant in exchange for carbon
nodule in Spanish: Nódulo
nodule in French: Nodule