English Reference

Word

transmitter

Phoneticstrans·mit·ter, stress on the second syllable

US/tɹænsˈmɪtɝ/

UK/tɹænsmˈɪtɐ/

Definitions

01electronic device

B2 · Upper Intermediate Countable noun Science Technical

n. a piece of equipment that sends out radio, television, or phone signals through the air.

n. an electronic device that generates and modulates a carrier wave to broadcast signals via an antenna.

“The radio station had to repair the transmitter after the storm knocked it down.”

“Engineers discovered that the transmitter was failing to modulate the signal correctly, resulting in significant audio distortion for listeners in the valley.”

Usage

Often used in technical contexts regarding telecommunications or broadcasting.

Antonyms

02person or agent

C1 · Advanced Countable noun Academic · Formal

n. a person or thing that passes something, like a message or a disease, to others.

n. an agent, person, or organism that conveys or passes something from one place or person to another.

“Insects can be transmitters of dangerous diseases to humans.”

“The study identified specific migratory birds as the primary transmitters of the virus across the continental borders.”

Usage

Common in medical or academic writing when discussing the spread of information or illness.

Real-World Examples

“Researchers gave the turtles nicknames and attached electronic transmitters that sent location signals to the low orbit Argos satellite network.”
ScienceDaily 29 Sept 2026
“In a study published in Science Advances , researchers equipped six of the toothed whales, sometimes called "unicorns of the sea," with satellite transmitters and had them explore remote East Greenland waters.”
Phys.org 19 Sept 2026

Etymology

From transmit + -er.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

This entry

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

QR code

englishreference.com/q/transmitter

English Reference