1
a
: a pathological swelling or enlargement (as of a rheumatic joint)
b
: a discrete mass of one kind of tissue enclosed in tissue of a different kind
2
: an entangling complication (as in a drama) : predicament
3
: either of the two points where the orbit of a planet or comet intersects the ecliptic
also
: either of the points at which the orbit of an earth satellite crosses the plane of the equator
4
a
: a point, line, or surface of a vibrating body or system that is free or relatively free from vibratory motion
b
: a point at which a wave has an amplitude of zero
5
a
: a point at which subsidiary parts originate or center
b
: a point on a stem at which a leaf or leaves are inserted
c
: a point at which a curve intersects itself in such a manner that the branches have different tangents
d
Examples of node in a Sentence
the doctor examined the node on my knee before deciding it was the result of arthritis
Recent Examples on the Web
Cutting further down a stem will again remove that terminal bud and cause the plant to focus its energy on new shoots that come from nodes further down the stem.
—
Heather Zidack, Hartford Courant, 8 June 2024
Back in 1952, Gabriel Dirac, a Danish mathematician (and stepson of the famous physicist Paul Dirac), proved that every graph with n points, or nodes, where each node is connected to at least n/2 others contains a Hamiltonian cycle.
—Quanta Magazine, 7 June 2024
This form of machine learning is based on neural networks, essentially connected nodes that are layered in a manner inspired by biological brains.
—Eric Berger, Ars Technica, 3 June 2024
Mesh networks take the signal from your ISP and distribute it across multiple nodes throughout a space.
—K. Thor Jensen, PCMAG, 31 May 2024
See all Example Sentences for node 
Heather Zidack, Hartford Courant, 8 June 2024
Back in 1952, Gabriel Dirac, a Danish mathematician (and stepson of the famous physicist Paul Dirac), proved that every graph with n points, or nodes, where each node is connected to at least n/2 others contains a Hamiltonian cycle.
—Quanta Magazine, 7 June 2024
This form of machine learning is based on neural networks, essentially connected nodes that are layered in a manner inspired by biological brains.
—Eric Berger, Ars Technica, 3 June 2024
Mesh networks take the signal from your ISP and distribute it across multiple nodes throughout a space.
—K. Thor Jensen, PCMAG, 31 May 2024
See all Example Sentences for node
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'node.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near node
Cite this Entry
“Node.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/node. Accessed 7 Jul. 2024.
Copy CitationKids Definition
node
noun1
a
: a thickened or swollen enlargement (as of a joint with rheumatism)
b
: a mass of tissue in the body resembling a knot
2
: a point on a stem at which a leaf is inserted
Medical Definition
node
noun1
a
: a pathological swelling or enlargement (as of a rheumatic joint)
b
: a body part resembling a knot
especially
: a discrete mass of one kind of tissue enclosed in tissue of a different kind see atrioventricular node, lymph node
2
: a point, line, or surface of a vibrating body that is free or relatively free of vibratory motion
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