Akademik

ARU
Audio Response Unit (Computing » General)
* Australian Railways Union (Governmental » Transportation)
* Access/Relay Unit (Governmental » Military)
* Acoustical Resistance Unit (Community » Media)
* Acción Revolucionaria Unida (International » Spanish)
* Aracatuba, Sao Paulo, Brazil (Regional » Airport Codes)

Abbreviations dictionary. 2012.