solenoid: meaning, definition, pronunciation and examples
LowTechnical/Engineering/Scientific
Quick answer
What does “solenoid” mean?
A cylindrical coil of wire that acts as a magnet when carrying electric current, typically used as a switch or actuator.
Audio
Pronunciation
Definition
Meaning and Definition
A cylindrical coil of wire that acts as a magnet when carrying electric current, typically used as a switch or actuator.
A device that converts electrical energy into mechanical linear motion. Also, in biology, a structure resembling a pipe.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or conceptual differences; both refer to the same electromagnetic device. Pronunciation differences as per IPA.
Connotations
Purely technical, neutral connotation in both varieties.
Frequency
Equally low in both, confined to engineering, physics, and related technical fields.
Grammar
How to Use “solenoid” in a Sentence
The [device/mechanism] uses a solenoid to [perform action: e.g., open the valve].A solenoid [verbs: e.g., engages, actuates, retracts] when [condition: e.g., power is applied].Vocabulary
Collocations
Examples
Examples of “solenoid” in a Sentence
verb
British English
- The mechanism is solenoid-operated.
- To solenoid the latch, apply 24 volts.
American English
- The system uses a solenoid-actuated valve.
- The circuit is designed to solenoid the lock.
adverb
British English
- [No standard adverbial form in use]
American English
- [No standard adverbial form in use]
adjective
British English
- The solenoid valve failed.
- Check the solenoid actuator's datasheet.
American English
- The solenoid switch is mounted on the firewall.
- We measured the solenoid force.
Usage
Meaning in Context
Business
Rare, except in procurement, manufacturing, or engineering sales contexts: 'We need to source a reliable solenoid supplier.'
Academic
Common in engineering, physics, and mechatronics papers and textbooks: 'The magnetic field of the solenoid was modelled using finite element analysis.'
Everyday
Very rare, mostly encountered when discussing car or appliance repairs: 'The mechanic says the starter solenoid is gone.'
Technical
The primary register. Precise descriptions of function, specifications, and integration in systems: 'The 12V DC solenoid provides a 20N pull force over a 10mm stroke.'
Vocabulary
Synonyms of “solenoid”
Strong
Neutral
Weak
Vocabulary
Antonyms of “solenoid”
Watch out
Common Mistakes When Using “solenoid”
- Mispronunciation: /soʊˈliː.nɔɪd/ (incorrect stress) or /ˌsɒl.ɪˈnɔɪd/. Correct is first-syllable stress.
- Using 'solenoid' to refer to any coil or electromagnet, not specifically one designed for linear actuation.
- Spelling: 'soleniod', 'solenoide'.
FAQ
Frequently Asked Questions
No. A solenoid produces linear (back-and-forth) motion, while an electric motor typically produces rotational motion.
In car starter systems, washing machine and dishwasher water valves, door locking mechanisms, industrial pneumatic/hydraulic valves, and pinball machines.
It can fail open (stuck actuated), fail closed (stuck de-energised), or not operate at all, often due to a burnt-out coil, mechanical jam, or faulty electrical connection.
The hollow centre (the 'bore') allows for a movable iron core or 'plunger'. When energised, the magnetic field pulls this plunger into the centre of the coil, creating the linear motion.
A cylindrical coil of wire that acts as a magnet when carrying electric current, typically used as a switch or actuator.
Solenoid is usually technical/engineering/scientific in register.
Solenoid: in British English it is pronounced /ˈsəʊ.lə.nɔɪd/, and in American English it is pronounced /ˈsoʊ.lə.nɔɪd/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms for this technical term]”
Learning
Memory Aids
Mnemonic
Imagine a SOLDIER named NOID who is very direct and only moves in a straight line (linear motion) when you give him an electrical command. SOL-en-oid.
Conceptual Metaphor
AN ELECTRIC PISTON / A MAGNETIC MUSCLE
Practice
Quiz
What is the primary function of a typical solenoid?