Word
emitter
Phoneticsemit·ter
US/ɪˈmɪtɝ/
UK/ɪmˈɪtɐ/
Definition
n. a device or part that sends out a signal, light, or heat. You often see this word in electronics when talking about things like light bulbs or radio transmitters.
n. a device or component that transmits or emits a signal, radiation, or energy. Often used in the context of electronics and physics to describe the source of a specific output.
Examples
“The light emitter in the lamp is broken.”
“The radio station uses a powerful antenna as an emitter to broadcast its signal across the entire country.”
“In modern display technology, the emitter is responsible for converting electrical signals into visible light, ensuring that the image remains sharp and vibrant on the screen.”
Examples
simple
“The light emitter in the lamp is broken.”
contextual
“The radio station uses a powerful antenna as an emitter to broadcast its signal across the entire country.”
complex
“In modern display technology, the emitter is responsible for converting electrical signals into visible light, ensuring that the image remains sharp and vibrant on the screen.”
Real-World Examples
“It also reinforces hopes that China, which is the world’s biggest greenhouse gas emitter, may be nearing a turning point in decarbonising its economy.” “Instead of causing emitters to emit more light at a specific frequency, they adapt the emitter's environment so that less light is emitted at unwanted frequencies.” Etymology
From emit + -er.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
VERB
NOUN
Domain
- 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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Occasional
- Level
- C1 · Advanced
- Updated
- アルファベット
- 読み方の一覧 →
QR code
englishreference.com/q/emitter