# RTD

> English word · Noun · frequency rank #39,068

## Definitions
1. Initialism of real-time detection.
2. Initialism of research and technological development.
3. Initialism of resonant-tunneling diode.
4. Initialism of resistance temperature device/detector.
5. Abbreviation of retard.
6. Initialism of round-trip delay.
7. Initialism of ready-to-drink.

## Easily confused with
- **RV** (https://plainspell.com/en/vs/rtd-vs-rv)
- **RW** (https://plainspell.com/en/vs/rtd-vs-rw)
- **run** (https://plainspell.com/en/vs/rtd-vs-run)
- **rub** (https://plainspell.com/en/vs/rtd-vs-rub)
- **rug** (https://plainspell.com/en/vs/rtd-vs-rug)
- **rum** (https://plainspell.com/en/vs/rtd-vs-rum)
- **rue** (https://plainspell.com/en/vs/rtd-vs-rue)
- **rye** (https://plainspell.com/en/vs/rtd-vs-rye)
- **rut** (https://plainspell.com/en/vs/rtd-vs-rut)
- **Rus** (https://plainspell.com/en/vs/rtd-vs-rus)
- **Rua** (https://plainspell.com/en/vs/rtd-vs-rua)
- **rude** (https://plainspell.com/en/vs/rtd-vs-rude)
- **ruth** (https://plainspell.com/en/vs/rtd-vs-ruth)
- **Rudy** (https://plainspell.com/en/vs/rtd-vs-rudy)
- **rudd** (https://plainspell.com/en/vs/rtd-vs-rudd)
- **Rudi** (https://plainspell.com/en/vs/rtd-vs-rudi)
- **Ryde** (https://plainspell.com/en/vs/rtd-vs-ryde)
- **r** (https://plainspell.com/en/vs/r-vs-rtd)
- **re** (https://plainspell.com/en/vs/re-vs-rtd)
- **RS** (https://plainspell.com/en/vs/rs-vs-rtd)

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