Engineering Abbreviations
"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'
| AMI | - | alternate mark inversion [signal] |
| AMLCD | - | active matrix liquid crystal display [Manufacturers] |
| AMOLED | - | active matrix organic light emitting diode |
| AM/PM/VSB | - | amplitude modulation/phase modulation/vestigial sideband |
| AMPS | - | automatic message processing system |
| AMR | - | Anisotropic Magnetoresistance [Magnetic Sensor] |
| AMR | - | Audio/Modem Riser [AMR] |
| AMSC | - | American Mobile Satellite Corporation |
| AMTS | - | automated maritime telecommunications system |
| ANI | - | automatic number identification |
| ANL | - | automatic noise limiter |
| ANS | - | American National Standard |
| ANSI | - | American National Standards Institute |
| AoE | - | ATA over Ethernet |
| AP | - | anomalous propagation |
| APC | - | adaptive predictive coding |
| APC | - | Angled Physical Contact [Fiber] |
| APC | - | Automatic Phase Control |
| APCM | - | Adaptive PCM |
| APD | - | avalanche photodiode |
| API | - | application program interface |
| APL | - | average picture level |
| APK | - | amplitude phase-shift keying |
| APM | - | Advanced Power Management |
| APU | - | Accelerated Processing Unit |
| AQL | - | acceptable quality level |
| ARCNET | - | Attached Resource Computer NETwork |
| ARINC | - | Aeronautical Radio INC |
| ARP | - | address resolution protocol |
| ARPA | - | Advanced Research Projects Agency [see DARPA] |
| ARQ | - | automatic repeat-request |
| ARRL | - | American Radio Relay League |
| ARS | - | automatic route selection |
| ARSR | - | air route surveillance radar |
| ARU | - | audio response unit |
