![rms rms](https://www.tekportal.net/wp-content/uploads/2018/11/rms.jpg)
- (often initial capital letter) root mean square.
plural rms.
- Railway Mail Service.
- British. Royal Mail Service.
- British. Royal Mail Steamship.
abbreviation for
- root mean square
abbreviation for
- Royal Mail Service
- Royal Mail Steamer
plural rms.
abbreviation for
abbreviation for