A21
A21 stands for allele containing 21 repeats
A23
A23 stands for Assemblage 23 (band)
A2A
A2A stands for Access to Archives (UK) A2A stands for Account-to-Account (banking) A2A stands for Administration-to-Administration A2A stands for Airline to Airline A2A stands for Air-To-Air (weapon) A2A stands for Application to Application A2A stands for Ashes to Ashes (TV series) A2A stands for Ask to Answer A2A stands for Athens-to-Atlanta (in-line skating event; Georgia)
A2AR
A2AR stands for Alpha-2 Adrenergic Receptors
A2C2
A2C2 stands for Army Airspace Command and Control A2C2 stands for Army Airborne Command & Control
A2DL
A2DL stands for Association des Doctorants et Docteurs du LSIS (French)
A2AI
A2Ai stands for Application to Application Integration A2AI stands for Application-to-Application Integration (integrating enterprise software applications)
A2C
A2C stands for Airman Second Class A2C stands for Access to Capital (business forum) A2C stands for Administration-to-Customer A2C stands for Answer to Cancer (foundation; Sherwood, OR)
A2AD
A2AD stands for Anti-Access/Area Denial
A2C2E
A2C2E stands for Acronym Too Complicated to Explain (newsgroups) A2C2E stands for Army Airborne Command & Control Element