English

Initialism

RMS

1. (electronics, statistics) Root mean square.
2. Railway Mail Service.
3. (Britain, nautical) Royal Mail Ship.
4. (Britain, nautical, obsolete) Royal Mail Steamer or Royal Mail Steamship
5. Rifle Metallic Silhouette.

Alternative forms

• R.M.S. , R. M. S.

Related terms

• (Royal Mail Steamer): RMMS , RMMV
• (nautical): HMS, USS, SS, M/S, M/V

Anagrams

• Mrs , MRS
• RSM