"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z"
'A' to 'Ad', 'Ae' to 'Ame', 'Ami' to 'Ar', 'As' to 'Az'
| a | - | atto (10–18) |
| Å | - | angstrom |
| A | - | ampere |
| AACS | - | Advanced Access Content System |
| AAPS | - | Airborne Antenna Pedestal System [Antenna Terms] |
| AAR | - | Automatic Alternate Routing |
| AARTS | - | automatic audio remote test set |
| ABI | - | Address Bit Inversion |
| ABS | - | Acrylonitrilt Butadiene Styrene; Plastic [Fire Retardant] |
| ac | - | alternating current |
| ACA | - | automatic circuit assurance |
| ac-dc | - | alternating current - direct current |
| ACK | - | acknowledge character [ASCII code] |
| ACR | - | Advanced Communication Riser [ACR Description] |
| ACTS | - | Advanced Communications Technology Satellite |
| ACU | - | automatic calling unit |
| A-D | - | analog-to-digital [Converter Manufacturers] |
| ADB | - | Apple Desktop Bus [ADB Description] |
| ADC | - | analog-to-digital converter [Converter Manufacturers] |
| ADCCP | - | Advanced Data Communication Control Procedures |
| ADF | - | Advanced Differential Fabric |
| ADH | - | automatic data handling |
| ADN | - | Aircraft Data Networks [Avionic Networks] |
| ADP | - | automatic data processing |
| ADPCM | - | adaptive differential pulse-code modulation |
| ADPE | - | automatic data processing equipment |
| ADPI | - | Advanced Configuration and Power Interface |
| ADPSSO | - | automatic data processing system security officer |
| ADSI | - | Advanced Distributed System Interface |
| ADSL | - | Asymmetric Digital Subscriber Line [xDSL Description] |
| ADU | - | automatic dialing unit |
| ADX | - | automatic data exchange |
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Next set of "Ae" Abbreviations and Acronyms
