Other
- Activity-based Learning, a range of pedagogical approaches to teaching based on doing some hands on experiment and activities
- Ablative case
- A Beautiful Lie, 30 Seconds to Mars's second studio album
- A Bug's Life, a 1998 film
- A Bug's Life (video game), the video game based on the film
- A Block diagram Language, a hardware description language
- Advanced Business Language, the new name for Progress 4GL
- Airborne Laser, a weapons system designed for use by the United States military
- Alameda Belt Line railroad
- Allegany Ballistics Laboratory
- Asset-based lending
- Atmospheric boundary layer
- Air Busan of South Korea (ICAO airline code)
- Ambler Airport in Alaska (IATA airport code)
- Armored Box Launcher, a launch container for the BGM-109 Tomahawk cruise missile
- Atmospheric boundary layer, the region where the atmosphere interacts with the surface of the earth: see Planetary boundary layer
- Australian bat lyssavirus, a rabies like virus found in Australian bats
- NSW Business Chamber, formerly Australian Business Limited, a business organisation
- Brazilian Academy of Letters (in Portuguese, Academia Brasileira de Letras)
Read more about this topic: ABL