node
B2technical, academic, business
Definition
Meaning
a point where lines intersect or connect; a central or connecting point in a network or system.
In computing, a single unit in a network or data structure; in biology, a swelling or knot in an organism; in astronomy, either of two points where an orbit intersects a plane; a focal point of activity or development.
Linguistics
Semantic Notes
Node is polysemous. Its meaning is highly context-dependent (computing, networking, biology, mathematics). In everyday language, it's less common and often perceived as technical.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning. Pronunciation differs slightly (see IPA). Spelling is identical.
Connotations
Identical technical connotations. In general discourse, both varieties treat it as a specialist term.
Frequency
Equally frequent in technical contexts in both varieties. Slightly less common in everyday British English than American English due to the latter's stronger tech industry influence on general vocabulary.
Vocabulary
Collocations
Grammar
Valency Patterns
N + of + N (node of a network)N + in + N (node in the system)Adj + N (central node)V + N (create a node)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “No common idioms. 'Node of contention' is a very rare, non-standard formation.”
Usage
Context Usage
Business
Refers to a key distribution or logistical centre in a supply chain network.
Academic
Widely used in computer science, network theory, mathematics (graph theory), biology, and physics.
Everyday
Rare. Might be used when discussing internet routers, medical issues (swollen lymph nodes), or gardening (nodes on a stem).
Technical
The primary domain. Precise meaning varies by field: data structure element, network device, orbital point, botanical joint, etc.
Examples
By Part of Speech
verb
British English
- The system is designed to node the various data streams efficiently.
American English
- The software will node the different sensors into a single network.
adjective
British English
- The nodal point of the argument was missed.
American English
- We identified a nodal issue in the project's timeline.
Examples
By CEFR Level
- The plant has a small node where the leaf grows.
- The network failed because one central node stopped working.
- In graph theory, each node represents a distinct entity connected by edges.
- The surgeon examined the swollen lymph node to check for infection.
Learning
Memory Aids
Mnemonic
Think of a KNOt on a string or a road NODe where roads meet. Both are central connecting points.
Conceptual Metaphor
A NETWORK IS A WEB/NET. Nodes are the knots or intersections in that web.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating "lymph node" as "лимфатический узел" in overly literal medical contexts; the standard term is "лимфатический узел" but "лимфоузел" is more common. "Node" in computing is often "узел" or "нода" (loanword).
Common Mistakes
- Using 'node' to mean a general 'problem' or 'issue' (incorrect). Confusing 'node' with 'mode'. Mispronunciation: /nɒd/ (like 'nod') instead of /nəʊd/ or /noʊd/.
Practice
Quiz
In which context would 'node' LEAST likely be used?
FAQ
Frequently Asked Questions
No, it is primarily a technical term. You will encounter it in IT, medicine, science, and engineering much more than in general conversation.
In networking, a 'hub' is a specific, often simpler type of device that broadcasts data to all nodes. A 'node' is a broader term for any connected device (computer, printer, server, etc.) within the network.
Rarely. The verb 'to node' is highly technical (e.g., in data processing or networking) and is not standard in general English. The adjective 'nodal' is more commonly derived.
Lymph nodes are small, bean-shaped glands throughout the body that are part of the immune system. They filter lymph fluid and contain white blood cells to fight infection. Swollen nodes often indicate illness.