RUS Revenue Stamp(Scott Catalogue prefix; philately) RCorrected search radius('R nought'; R rounded up) RRoute Tuned NAVAID(aviation) RRéaumier(temperature scale named after the French scientist Rene Antoine Ferchault de Reaumur) RUS DoT tire speed rating(106 mph) ...
ALTAssociazione per la Lotta Alla Trombosi e Alle Malattie Cardiovascolari(Italian: Association to Combat Thrombosis and Cardiovascular Disease; est. 1986) ALTAutomatic Link Transfer ALTAirborne Laser Tracker ALTAdvanced Lightning Technology ALTAer Lingus Teoranta ...
ALTAssociazione per la Lotta Alla Trombosi e Alle Malattie Cardiovascolari(Italian: Association to Combat Thrombosis and Cardiovascular Disease; est. 1986) ALTAutomatic Link Transfer ALTAirborne Laser Tracker ALTAdvanced Lightning Technology ALTAer Lingus Teoranta ...