Nodule Definition

nŏjo͝ol
nodules
noun
nodules
A small knot or irregular, rounded lump.
Webster's New World
A small node.
Webster's New World
A small knot or joint on a stem or root, esp. one containing nitrogen-fixing bacteria.
Webster's New World
A usually small, roundish lump or mass of manganese, cobalt, etc. found on the floor of the sea or a large lake.
Webster's New World
A small, hard lump or mass of a mineral or rock that is embedded in a larger rock.
Webster's New World
Synonyms:

Other Word Forms of Nodule

Noun

Singular:
nodule
Plural:
nodules

Origin of Nodule

  • Middle English from Latin nōdulus diminutive of nōdus knot ned- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin nodulus (“small knot")

    From Wiktionary

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