nodule
noun
nod·ule
ˈnä-(ˌ)jül 
: a small mass of rounded or irregular shape: such as
a
: a small rounded lump of a mineral or mineral aggregate
b
: a swelling on a leguminous root that contains symbiotic bacteria
c
: a small abnormal knobby bodily protuberance (such as a tumorous growth or a calcification near an arthritic joint)
Examples of nodule in a Sentence
The examination revealed a nodule on his lung.
a nodule on the leaf indicated that a worm had laid eggs there
Recent Examples on the Web
Screenings for unrelated conditions can pick up thyroid nodules that are technically cancerous but asymptomatic or clinically insignificant.
—
Jenna Anderson, Health, 25 Feb. 2025
More:Alexis Ohanian had surgery to remove thyroid nodules that would 'likely turn cancerous'
There are numerous approaches to treating hyperthyroidism, from taking anti-thyroid medications to undergoing radioactive iodine therapy.
—Caroline C. Boyle, USA TODAY, 10 Jan. 2025
Such nodules were first spotted at a coal mine in Montceau-les-Mines, France, in the 1970s and then were transferred to French museum collections.
—Ashley Strickland, CNN, 18 Oct. 2024
The firm plans to mine the polymetallic nodules for valuable rare earth metals like cobalt, nickel, copper and manganese, which are used in solar panels, smartphones, wind turbines and batteries.
—Sarah Kuta, Smithsonian Magazine, 23 Jan. 2025
See All Example Sentences for nodule
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Jenna Anderson, Health, 25 Feb. 2025
More:Alexis Ohanian had surgery to remove thyroid nodules that would 'likely turn cancerous'
There are numerous approaches to treating hyperthyroidism, from taking anti-thyroid medications to undergoing radioactive iodine therapy.
—Caroline C. Boyle, USA TODAY, 10 Jan. 2025
Such nodules were first spotted at a coal mine in Montceau-les-Mines, France, in the 1970s and then were transferred to French museum collections.
—Ashley Strickland, CNN, 18 Oct. 2024
The firm plans to mine the polymetallic nodules for valuable rare earth metals like cobalt, nickel, copper and manganese, which are used in solar panels, smartphones, wind turbines and batteries.
—Sarah Kuta, Smithsonian Magazine, 23 Jan. 2025
See All Example Sentences for nodule
Cite this Entry
“Nodule.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nodule. Accessed 12 Mar. 2025.
Copy CitationKids Definition
nodule
noun
nod·ule
ˈnäj-(ˌ)ü(ə)l
1
: a small rounded mass
manganese nodules on the ocean floor
2
: a swelling on the root of a plant of the legume family that contains nitrogen-fixing bacteria
nodular
adjective
ˈnäj-ə-lər
Medical Definition
nodule
noun
nod·ule
ˈnäj-(ˌ)ü(ə)l
: a small mass of rounded or irregular shape: as
a
: a small abnormal knobby bodily protuberance (as a tumorous growth or a calcification near an arthritic joint)
b
: the nodulus of the cerebellum
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