Definition of Nodule

1. Noun. A small node.

Generic synonyms: Node
Derivative terms: Nodular, Nodular

2. Noun. Small rounded wartlike protuberance on a plant.
Exact synonyms: Tubercle
Generic synonyms: Enation, Plant Process
Derivative terms: Nodular, Nodular

3. Noun. (mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment).
Category relationships: Mineralogy
Specialized synonyms: Geode
Generic synonyms: Hunk, Lump
Derivative terms: Nodular, Nodular

Definition of Nodule

1. n. A rounded mass or irregular shape; a little knot or lump.

Definition of Nodule

1. Noun. A rounded mass or irregular shape; a little knot or lump. ¹

¹ Source:

Definition of Nodule

1. a small node [n -S] : NODULAR, NODULOSE, NODULOUS [adj]

Medical Definition of Nodule

1. A small lump, swelling or collection of tissue. (27 Sep 1997)

Nodule Pictures

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Lexicographical Neighbors of Nodule

nodular regenerative hyperplasia
nodular scleritis
nodular subepidermal fibrosis
nodular syphilid
nodular transformation of the liver
nodular tuberculid
nodular vasculitis
nodule (current term)
nodule of semilunar valve
nodulus caroticus
nodulus lymphaticus
nodulus valvulae semilunaris
nodus atrioventricularis
nodus buccinatorius
nodus cysticus

Literary usage of Nodule

Below you will find example usage of this term as found in modern and/or classical literature:

1. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"The nodule and Flocculus.—The nodule is a distinct prominence, forming the anterior ... On each side of the nodule is a thin layer of white substance, ..."

2. The British Journal of Dermatology by British Association of Dermatology (1908)
"nodule larger than those forming the edge and of the same type. There was not the slighest infiltration or redness of the surrounding skin. ..."

3. Proceedings of the Geologists' Association by Geologists' Association (1908)
"This area is so remarkable that we propose to give detailed measurements of it, and to show that the lowest nodule-bed is in the ..."

4. Transactions of the American Dental Association at Its ... Annual Session by American Dental Association (1897)
"nodule on Apex of Root. PAPER BY HL AMBLER, OF THE SECTION. A LADY aged about thirty presented for treatment of a chronic abscess of the right superior ..."

5. Collected Papers by the Staff of Saint Mary's Hospital, Mayo Clinic by Saint Marys Hospital (Rochester, Minn.) (1922)
"It is favorable in those cases in which a small nodule is situated well forward near the tip of the tongue; less favorable in those in which there is a ..."

6. The Microscope and Its Revelations by William Benjamin Carpenter, William Henry Dallinger (1891)
"... of those in which the frustules have a median longitudinal line and a central nodule. In the first of the families which it includes, ..."

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