Found 81 abbreviations in 2 groups
R.: Meaning Category
R. Responsorium ("Responsory" Breviary) ecclesiastical
R. Roma (Rome) ecclesiastical
R. Requiescit ("He Rests"); or Refrigerio ("In [a place of] Refreshment") ecclesiastical
R: Meaning Category
R (as a prefix:) restricted airspace aerospace
R runs scored, runs allowed sports
R Ideal Gas Constant (8.314 joules per Kelvin) Chemistry abbreviations
R Radiancy Chemistry abbreviations
R Radiation Chemistry abbreviations
R Rankine Temperature Scale Chemistry abbreviations
R Reactive Chemistry abbreviations
R Reamer Temperature Ratio Chemistry abbreviations
R Recipe Chemistry abbreviations
R Redux Chemistry abbreviations
R Refinement Chemistry abbreviations
R Racism Community abbreviations
R Repose Community abbreviations
R Rest Community abbreviations
R Reunite Community abbreviations
R Radical Educational abbreviations
R Reinforcement Educational abbreviations
R Respect Educational abbreviations
R Responsibility Educational abbreviations
R Retentive Educational abbreviations
R Review Educational abbreviations
R Rithmetic Educational abbreviations
R Redundant Electronics abbreviations
R Reliability Electronics abbreviations
R Resistance Electronics abbreviations
R Resistor Electronics abbreviations
R Read computing abbreviations and acronyms
R Regional computing abbreviations and acronyms
R Re-tell media abbreviations and acronyms
R Readability media abbreviations and acronyms
R Recite media abbreviations and acronyms
R Reprint media abbreviations and acronyms
R Rerun media abbreviations and acronyms
R Radfahrabteilung (German Bicycle Battalion, World War II) Military abbreviations
R Radial Military abbreviations
R Rail Military abbreviations
R Ramming Military abbreviations
R Range Military abbreviations
R Rank Military abbreviations
R Readiness Military abbreviations
R Reconnaissance aircraft Military abbreviations
R Regiment Military abbreviations
R Regular Military abbreviations
R Regular Army Military abbreviations
R Rejected Military abbreviations
R Rejoining Military abbreviations
R Removed Military abbreviations
R Required Military abbreviations
R Reserve Military abbreviations
R Resources Military abbreviations
R Respectfully Military abbreviations
R Retreat Military abbreviations
R Reviewing Military abbreviations
R Revision Military abbreviations
R Revolution Military abbreviations
R Rifle Military abbreviations
R Ritter (German: Knight) Military abbreviations
R Routine Military abbreviations
R Rule Military abbreviations
R Russian Military abbreviations
R Search Radius Military abbreviations
R Race sports abbreviations
R Racer sports abbreviations
R Racing sports abbreviations
R Rack sports abbreviations
R Raise sports abbreviations
R Rally sports abbreviations
R Rebounds sports abbreviations
R Relay sports abbreviations
R Repetitive sports abbreviations
R Restart sports abbreviations
R Roster sports abbreviations
R Run sports abbreviations
R Runner sports abbreviations
R Repeat University abbreviations
R Research University abbreviations
R Room University abbreviations
R Reinforcing Acronym
R Restricted (movie rating) Acronym
R Right Acronym
R Röntgen Acronym

Abbreviations similar to r

  • RA - Resolution advisory (TCAS)
  • RAI - Radio altimeter indicator
  • RAA - Royal Australian Artillery
  • RAE - Royal Aircraft Establishment, Royal Aircraft Establishment (Farnborough)
  • RAO - Rear Area Operations
  • RAW - Rifleman's Assault Weapon
  • RHA - rolled homogeneous armour
  • RO - Royal Ordnance
  • ROE - Rules Of Engagement
  • RR - Recoilless rifle
  • RW - Reconnaissance Wing
  • RIO - Radar Intercept Officer
  • R2I - Resistance to Interrogation