# repeater

/ɹɪˈpitɝ/ (US) · /ɹɪpˈiːtɐ/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/repeater
Updated: 2026-05-19

## Definition

a person who repeats something they have heard or a machine that sends a signal again. In old math, it was a student who could repeat a lesson perfectly.

For teachers: a person who repeats a lesson or a signal; a device that retransmits a signal to extend its range. In historical educational contexts, refers to a student who has mastered a lesson to the point of perfect recall.

## Examples

- The radio repeater sends the signal to the mountain top.
- The teacher asked the repeater to lead the class in reciting the multiplication tables.
- In the early days of wireless communication, a repeater was essential for maintaining a clear signal over long distances where the original transmission would otherwise be lost.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.