Definitions
01a tool or machine
A2 · Elementary Countable noun
n. an object or machine that has been made for a specific purpose, especially an electronic one.
n. a piece of equipment or a mechanism designed to serve a specific function, particularly in electronic or mechanical contexts.
日本語:装置※
“You can connect more than one mobile device to the office Wi-Fi.”
“The laboratory is equipped with a sophisticated tracking device that monitors the movement of particles in real time.”
Synonyms
02a clever plan
B2 · Upper Intermediate Countable noun
n. a clever plan or trick used to get a specific result.
n. a scheme, stratagem, or artifice designed to achieve a particular goal, often through cleverness or deception.
日本語:仕掛け※
“The character in the story used a clever device to escape from the locked room.”
“The tax hike was merely a political device intended to appease the opposition without making substantive changes to the budget.”
03writing/speech technique
B2 · Upper Intermediate Countable noun Academic
n. a special way of using words to create a particular effect in a story or speech.
n. a linguistic or structural technique employed by a writer or speaker to achieve a specific rhetorical or aesthetic effect.
“Metaphor is a common literary device used to compare two different things.”
“The orator employed several rhetorical devices, including repetition and irony, to sway the undecided members of the audience.”
04a logo or emblem
C1 · Advanced Countable noun Formal
n. a design or symbol used as a logo or to represent a person or group.
n. a symbolic design, emblem, or heraldic figure used to identify a person, family, or corporate entity.
“The knight's shield was decorated with a golden lion device.”
“The company's trademark device was prominently displayed on every piece of official correspondence to ensure brand recognition.”
05an explosive
B2 · Upper Intermediate Countable noun Technical
n. a word sometimes used for a bomb, especially one made by hand.
n. a euphemistic or technical term for an explosive unit, often an improvised one.
“The police found a suspicious device left in the park and called the experts.”
“Security forces were alerted to the presence of an improvised explosive device concealed within a discarded container near the terminal.”
Usage
Often appears in the phrase 'incendiary device' or 'explosive device'.
Collocations
Common phrases and expressions where native English speakers use the word “device” in context.
Confusables
Device is the physical tool or object, while devise is the action of creating a plan or system.
RememberDevice = Equipment. Devise = Design.
Etymology
Etymology tree Proto-Indo-European *dews-? Proto-Indo-European *dus- Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Indo-European *dwóh₁ Proto-Indo-European *dwís Latin dis- ▲ Proto-Indo-European *dwi- Proto-Indo-European *dʰeh₁- Proto-Indo-European *h₁weydʰh₁-der. Proto-Italic *wiðō Latin *vidō Latin dīvidō Latin dīvīsus Old French devisbor. Middle English devis English device From Middle English devis, devise, devyce, devys, devyse, from Old French devis and devise, from Latin dīvīsus, past participle of dīvidō (“to divide”). Doublet of devise (noun).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Related words
Idioms
Domains
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A2 KeyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.3.0–4.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 2.0–2.524–43TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.225–549
- Frequency
- Common
- Level
- A2 · ElementaryOxford
- Updated
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- 読み方の一覧 →
QR code
englishreference.com/q/device
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「日本語」「カタカナ語」 data: JMdict (EDRDG), CC BY-SA 4.0