# transponder

> English word · Noun · IPA /tɹænˈspɒn.də/ · frequency rank #26,634

## Definitions
1. A radar or radio transceiver that transmits some signal in response to receiving a predetermined signal.

## Etymology
Blend of transmitter + responder.

## Easily confused with
- **transporter** (https://plainspell.com/en/vs/transponder-vs-transporter)
- **transgender** (https://plainspell.com/en/vs/transgender-vs-transponder)

## Common misspellings (18)
`rtansponder`, `tarnsponder`, `trannsponder`, `tranpsonder`, `transopnder`, `transpnoder`, `transpodner`, `transpondder`, `transponderr`, `transpondre`, `transponedr`, `transponnder`, `transpponder`, `transsponder`, `trasnponder`, `trnasponder`, `trransponder`, `ttransponder`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/transponder