\ ˈnōd How to pronounce node (audio) \

Definition of node

1a : 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
4a : 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
5a : 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

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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 Those barbules, in turn, have even smaller features—lumpy nodes and prongs spaced along their length. Helen Czerski, WSJ, "Eiderdown Is Nature’s Perfect Duvet," 6 Feb. 2020 The momentum has continued, with companies forming nodes around Phoenix Sky Harbor Airport, Phoenix-Mesa Gateway Airport and Falcon Field Airport in Mesa and in business parks throughout East Valley cities. Alison Steinbach, azcentral, "East Valley's aerospace, aviation and defense hub grows as Northrop Grumman expands with 200 more jobs in Gilbert," 31 Jan. 2020 Linksys says users can expect the system to blanket 3,000 square feet per node. Michael Brown, PCWorld, "Linksys touts Wi-Fi 6 mesh routers at CES," 7 Jan. 2020 Invospa’s Shiatsu bi-directional back, shoulder, and neck massager has eight massaging roller nodes (four large and four small) and three strength levels. Tony Vaz, Popular Science, "Back, neck, and shoulder massagers to help you release tension," 11 Sep. 2019 When your mesh nodes have to talk to one another on the same channels that Wi-Fi devices already use to talk to them, latency goes up while speed and consistency go down. Jim Salter, Ars Technica, "Tired of hearing about Wi-Fi 6? Great, let’s talk about Wi-Fi 6E," 6 Jan. 2020 An additional component used by Grin and Beam, called Dandelion, helps ensure this aggregation occurs before the transactions are broadcast to other nodes in the network. Wired, "Even Privacy-Focused Cryptocurrencies Can Spill Your Secrets," 25 Nov. 2019 Since each node in the system is designed to work with the others, mesh Wi-Fi networks are easier to set up than extenders. Whitson Gordon, NBC News, "Best mesh Wi-Fi systems and range extenders 2020," 24 Jan. 2020 Artificial neural networks rely on the point model, treating neurons as nodes that tally inputs and pass the sum through an activity function. Quanta Magazine, "Hidden Computational Power Found in the Arms of Neurons," 14 Jan. 2020

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

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First Known Use of node

15th century, in the meaning defined at sense 1a

History and Etymology for node

Middle English, from Latin nodus knot, node; akin to Middle Irish naidm bond

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Time Traveler for node

Time Traveler

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

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Statistics for node

Last Updated

24 Feb 2020

Cite this Entry

“Node.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2020.

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More Definitions for node


How to pronounce node (audio)

English Language Learners Definition of node

: a small lump or mass of tissue in your body
: the small round part on the stem of a plant where a leaf grows
: a place where lines in a network cross or meet


\ ˈnōd How to pronounce node (audio) \

Kids Definition of node

: a thickened spot or part (as of a plant stem where a leaf develops)


\ ˈnōd How to pronounce node (audio) \

Medical Definition of node

1a : 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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More from Merriam-Webster on node

Thesaurus: All synonyms and antonyms for node

Rhyming Dictionary: Words that rhyme with node

Spanish Central: Translation of node

Nglish: Translation of node for Spanish Speakers

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

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