W.H.A

W.H.A-World Hockey Association

W.H.A

W.H.A-World Health Assembly

W.D.

W.D-War Department

W.B.C

W.B.C-World Boxing Council

W.H.O

W.H.O-World Health Organization

W.M.O

W.M.O-World Meteorological organization

RPM

RPM=Revolutions Per Minute

ROM

ROM=Read Only Memory

RISC

RISC=Reduced instruction-set computing

RDX

RDX=Research Department Explosive (Cyclotrim-ethylin Trinitrate)

RBI

RBI=Reserve Bank of India

RAW

RAW=Research & Analysis Wing