All abbreviations starting with A
| Term | Full Form | Category |
|---|---|---|
| A | A-check 
| Others |
| A | Aakash
| Others |
| A | Absolute
| Others |
| A | Absorbance
| Others |
| A | Absorptivity
| Others |
| A | Acceleration
| Others |
| A | Accelerations
| Others |
| A | Accept
| Others |
| A | Accessory
| Others |
| A | Accord
| Others |
| A | Account
| Others |
| A | Accusative
| Others |
| A | Ace
| Others |
| A | Acetum
| Others |
| A | Act
| Others |
| A | Actin
| Others |
| A | Actinomyces
| Others |
| A | Active
| Others |
| A | Activism
| Others |
| A | Activity
| Others |
| A | Actor
| Others |
| A | Add
| Others |
| A | Address
| Others |
| A | Adenine
| Others |
| A | Adenosine
| Others |
| A | Adjective
| Others |
| A | admittance Electricity
| Others |
| A | Adrenaline
| Others |
| A | Adriamycin
| Others |
| A | Adult
| Others |
| A | Adults & Communities
| Others |
| A | Advanced
| Others |
| A | Adventure Mode
| Others |
| A | Aedes
| Others |
| A | African
| Others |
| A | Aft
| Others |
| A | Against
| Others |
| A | Agar
| Others |
| A | Ages
| Others |
| A | Agilent Technologies Incorporated
| Others |
| A | Agiliance
| Others |
| A | Air Force Training Category
| Others |
| A | Akinetic
| Others |
| A | Aktopia
| Others |
| A | Alanine
| Others |
| A | Albino guinea pig
| Others |
| A | Alcohol
| Others |
| A | Alex
| Others |
| A | All lines
| Others |
| A | Allele
| Others |