Device vs Invention

When to use each in English, with meaning, register, and examples.

Device

Top 1,000 (very common)A2noun

Invention

Top 2,000 (common)A2noun
Most common: Device
 DeviceInvention
Pronunciation🇬🇧 /["/dɪˈvaɪs/"]/🇺🇸 /["/dɪˈvaɪs/"]/🇬🇧 /["/ɪnˈvenʃn/"]/🇺🇸 /["/ɪnˈvenʃn/"]/
MeaningA tool or machine used for a specific purpose.A new idea or thing that has been made.
ExampleI use a smartphone as my main device for communication.The invention of the telephone changed communication forever.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2A2
Part of speechnounnoun
Collocationsclever, ingenious, labour-saving/​labor-saving, be fitted with, have, connect, comprise something, consist of something, be designed to, device for, clever, ingenious, labour-saving/​labor-saving, be fitted with, have, connect, comprise something, consist of something, be designed to, device forlatest, new, modern, come up with, design, license, pure, power of invention, powers of invention
Antonymsdisuse, neglectimitation, copy, replication
Common mistakesConfused with 'devise', which means to create or plan something., Using 'device' as a verb; it is only a noun., Assuming all devices are electronic; can refer to any tool.Confused with 'invention' vs 'innovation' (invention is the creation, innovation is the application)., Using 'invention' in a negative context (it's usually positive)., Confusing 'invention' with 'discovery' (invention is creating something new, discovery is finding something that already exists).
Usage notesUsed to refer to gadgets or instruments, often in technology. More common in tech contexts. Avoid in very casual settings where simpler terms (like 'thing') might be used.Use 'invention' in contexts related to creativity and innovation. It's appropriate in discussions about technology, history, or patents but less common in everyday casual conversations.

Frequently asked questions: Device vs Invention

What's the difference between Device and Invention?

Device: A tool or machine used for a specific purpose. Invention: A new idea or thing that has been made.

Which is more common: Device and Invention?

Device is the most common in everyday English.

Are Device and Invention the same CEFR level?

Device: A2, Invention: A2 on the CEFR scale.

Can I use Device and Invention interchangeably?

Not always. Device and Invention are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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