| Acronym | Sense | Language | Topics |
|---|---|---|---|
| RTC | Real-Time Clock | In English | → Computer science |
| RTC | Réseau Téléphonique Commuté | In French | → Telecommunications |
| RTC | Real-Time Command | In English | |
| RTC | Real-Time Computer | In English | → Hardware |
| RTC | Room-Temperature Cure | In English | |
| RTC | Red Telefónica Conmutada | In Spanish | → Telecommunications |
| RTC | Remedial Teaching Center | In English | → Education |
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