3-letter words starting with r
- rly — railway
- rm. — ream.
- rma — Royal Military Academy (Sandhurst)
- rmb — renminbi (yuan)
- rmc — Royal Military College
- rme — rape or rapeseed methyl ester: a fuel derived from rapeseed oil
- rmi — Remote Method Invocation
- rmm — Mali (international car registration)
- rms — ream.
- rmt — National Union of Rail, Maritime and Transport Workers
- rna — biology: ribonucleic acid
- rnd — round
- rnf — Root Normal Form
- rnr — Royal Naval Reserve
- rnz — Radio New Zealand
- rob — to take something from (someone) by unlawful force or threat of violence; steal from.
- roc — a bird of enormous size and strength.
- rod — a male given name, form of Roderick or Rodney.
- roe — the mass of eggs, or spawn, within the ovarian membrane of the female fish.
- roi — Republic of Ireland
- rok — a soldier in the army of the Republic of Korea.
- rom — Read-Only Memory
- roo — kangaroo.
- rot — to undergo decomposition; decay.
- rou — Uruguay (international car registration)
- rov — remotely operated vehicle
- row — record
- roy — a town in N Utah.
- rpc — Remote Procedure Call
- rpg — 1. (games) Role-Playing Game. 2. (tool) Report Program Generator. 3. (person) Richard Gabriel.
- rph — registered pharmacist
- rpi — Rockwell Protocol Interface
- rpl — Reverse Polish LISP. Language used by HP-28 and HP-48 calculators.
- rpm — revolution per minute
- rpn — postfix notation
- rps — revolutions per second
- rpt — Unify. Report Writer Language.
- rpv — remotely piloted vehicle
- rrl — Remote Reference Layer
- rrp — recommended retail price
- rrs — An early definition of Scheme. Revised in R2RS.
- rsa — (cryptography, company) (The initials of the authors) 1. RSA Data Security, Inc. 2. Their cryptography systems, especially RSA encryption. The RSA algorithm was first described in the paper:
- rsc — Royal Shakespeare Company
- rsg — rate support grant
- rsh — Remote shell. A Berkeley Unix networking command to execute a given command on a remote host, passing it input and receiving its output. Rsh communicates with a daemon on the remote host. It is sometimes called remsh to avoid confusion with the restricted shell, also called "rsh".
- rsi — 1. (medical) overuse strain injury. 2. (company) Research Systems, Inc..
- rsj — rolled-steel joist
- rsl — RAISE Specification Language
- rsm — regimental sergeant major
- rsn — Real Soon Now