English

Initialism

MBR

1. master bedroom
2. Membrane Bio-Reactor (or Membrane Biological Reactor)
3. (computing) master boot record

Anagrams

• MRB
• RBM
• RMB

Esperanto

Initialism

MBR, mbr

1. (Internet slang) Initialism of mi baldaŭ revenos ‎(“i will return soon, BRB”).