nod·​ule | \ ˈnä-(ˌ)jül How to pronounce nodule (audio) \

Definition of nodule

: 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)

Synonyms for nodule


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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 Since LaPorte was in good her health, she was told to watch the nodule and wait. Jacqueline Howard, CNN, 13 Oct. 2021 The Metals Company wants to mine a nodule-rich region of the Pacific between Hawaii and Mexico known as the Clarion-Clipperton Zone. Elizabeth Kolbert, The New Yorker, 26 Dec. 2021 Physicians hadn't looked at the nodule again until LaPorte experienced worsening symptoms last year. Jacqueline Howard, CNN, 13 Oct. 2021 Half the height of the tomato start should be planted into the ground, because roots will grow out of each stem/leave nodule. oregonlive, 11 Aug. 2021 By digesting many examples, the algorithms can learn patterns of pixels statistically associated with those labels, such as the texture or shape of a lung nodule. Tom Simonite, Wired, 5 Aug. 2021 But at one end, each seed has a yellow nodule full of fats that are nutritious for young ants. Leslie Nemo, Scientific American, 29 June 2021 Her doctor has since ruled out Graves' disease, and will determine if Stewart has sub-acute thyroiditis or a nodule on her throat by the end of the week. Julie Mazziotta,, 10 June 2021 In the patients with nodules, the images produced by the brain scans reveal at least one nodule on the eye's macular region, which is integral to central vision. Claire Gillespie,, 18 Feb. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nodule.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of nodule

15th century, in the meaning defined above

History and Etymology for nodule

Middle English, from Latin nodulus, diminutive of nodus

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Time Traveler for nodule

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The first known use of nodule was in the 15th century

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Last Updated

25 May 2022

Cite this Entry

“Nodule.” Dictionary, Merriam-Webster, Accessed 25 May. 2022.

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More Definitions for nodule


nod·​ule | \ ˈnä-jül How to pronounce nodule (audio) \

Kids Definition of nodule

: a small roundish lump or mass


nod·​ule | \ ˈnäj-(ˌ)ü(ə)l How to pronounce nodule (audio) \

Medical Definition of nodule

: 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

More from Merriam-Webster on nodule

Nglish: Translation of nodule for Spanish Speakers

Britannica English: Translation of nodule for Arabic Speakers Encyclopedia article about nodule


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