The meaning of the Acronym ARL is...

ARL is

• Army Research Library
• Army Research Lab
• Air Reconnaissance Low

More Meanings For ARL:

• Abbreviated Rule Language
• Axiom Right Left
• Army Research Laboratory
• Air Resources Laboratory
• Arctic Research Laboratory
• Average Run Length
• Landing Craft Repair Ship (Auxiliary, Repair, Landing)
• Approaching Real Life
• The Association Of Research Libraries
• Anti-Riot Laws
• Army Research Library
• Army Research Lab
• Air Reconnaissance Low
• Army Research Laboratory
• America Responds with Love

ARL is also in:

• Chemistry
• FBI Files
• General
• Meteorology
• Military
• Non-Profit Organizations
• Ocean Science
• Physics
• Professional Organizations
• Ship Types
• US Government