adapter
B2 (Common in technical and everyday contexts)Neutral to formal; widely used in technical, business, and everyday language.
Definition
Meaning
A device or component that allows two incompatible systems, objects, or interfaces to connect, work together, or fit.
A person who adjusts or modifies something to suit new conditions; someone skilled at acclimatising to different environments or requirements.
Linguistics
Semantic Notes
Primarily a noun. The primary sense is a physical object. The secondary, personal sense ('a person who adapts') is less common and more formal/literary.
Dialectal Variation
British vs American Usage
Differences
Spelling: UK often uses 'adaptor' for electrical/mechanical devices, while US exclusively uses 'adapter'. Both spellings are generally accepted in the UK, with 'adapter' becoming more common due to US influence.
Connotations
Identical in core meaning. The personal sense ('a good adapter') is slightly more likely in UK academic/management writing.
Frequency
Higher frequency in US English in consumer electronics contexts (e.g., power adapters, travel adapters).
Vocabulary
Collocations
Grammar
Valency Patterns
adapter for [device/purpose]adapter to [connect/convert]adapter between [system A] and [system B]adapter from [old standard] to [new standard]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “A square peg in a round hole (antonymic concept)”
Usage
Context Usage
Business
Refers to hardware/software interfaces or a person's ability to adjust to new markets/roles.
Academic
Used in engineering, computing, and social sciences (for personal adaptation).
Everyday
Commonly refers to plugs for electronics when travelling or connecting devices.
Technical
Precise term for a hardware/software component enabling interoperability.
Examples
By CEFR Level
- I bought a travel adapter for my phone in London.
- This plug needs an adapter to fit in the socket.
- The new monitor requires a special video adapter to connect to my laptop.
- He's a quick adapter to new team protocols.
- The software includes a protocol adapter for legacy system integration.
- As an expat, she proved to be a remarkable social and cultural adapter.
- The router's built-in media adapter seamlessly bridges coaxial and Ethernet networks.
- Evolutionary theory examines populations as dynamic adapters to selective pressures.
Learning
Memory Aids
Mnemonic
Think of an ADAPTer as something that helps you ADAPt your device to a new situation, like a plug or port.
Conceptual Metaphor
BRIDGE (It bridges a gap between two different worlds/systems).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'адаптер' (direct cognate, correct). Beware of false friend 'адаптация' which is 'adaptation', not the device.
- The personal meaning is less common; avoid overusing 'адаптер' for a person.
Common Mistakes
- Using 'adapter' as a verb (the verb is 'to adapt').
- Confusing 'adapter' (device/person) with 'adaptor' (alternative UK spelling).
- Misspelling as 'adaptor' in US contexts.
Practice
Quiz
Which of the following is the LEAST likely meaning of 'adapter'?
FAQ
Frequently Asked Questions
'Adapter' is the standard spelling in US English and is increasingly common in UK English. 'Adaptor' is a traditional UK variant, especially for electrical devices. Both are correct in the UK.
Yes, but this usage is less common and more formal. It describes someone who adjusts easily to new conditions (e.g., 'She is a rapid adapter to change'). The device meaning is far more frequent.
Not exactly. A charger contains circuitry to control battery charging. An 'adapter' (like an AC adapter) often refers to the power supply unit that converts mains AC to low-voltage DC; it may or may not include charging logic. In casual use, the terms are often conflated.
A dongle is a small, specific type of adapter, often for computers (e.g., a USB WiFi adapter or a USB-C to HDMI adapter). All dongles are adapters, but not all adapters are dongles (e.g., a large power brick is an adapter but not a dongle).
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