| ABEC | Annular Bearing Engineers Committee |
| ADC | Analogue-to-Digital Converter |
| AGMA | American Gear Manufacturers’ Association |
| AHRS | Attitude and Heading Reference Systems |
| AISI | American Iron and Steel Institute |
| ALE | Atomic Layer Epitaxy |
| ALU | Arithmetic Logic Unit |
| ANSI | American National Standards Institute |
| APP | Adjusted Peak Performance |
| APU | Auxiliary Power Unit |
| ASTM | the American Society for Testing and Materials |
| ATC | Air Traffic Control |
| AVLIS | Atomic Vapour Laser Isotope Separation |
| BJT | Bipolar Junction Transistors |
| BPP | Beam Parameter Product |
| BSC | Base Station Controller |
| C3I | Command, Communications, Control & Intelligence |
| CAD | Computer-Aided-Design |
| CAS | Chemical Abstracts Service |
| CAS | Chemical Abstracts Service |
| CCD | Charge Coupled Device |
| CDU | Control and Display Unit |
| CEP | Circular Error Probable |
| CMM | Coordinate Measuring Machine |
| CMOS | Complementary Metal Oxide Semiconductor |
| CNTD | Controlled Nucleation Thermal Deposition |
| CPLD | Complex Programmable Logic Device |
| CPU | Central Processing Unit |
| CRISLA | Chemical Reaction by Isotope Selective Laser Activation |
| CVD | Chemical Vapour Deposition |
| CW | Chemical Warfare |
| CW (for lasers) | Continuous Wave |
| DAC | Digital-to-Analogue Converter |
| DANL | Displayed Average Noise Level |
| DBRN | Data-Base Referenced Navigation |
| DDS | Direct Digital Synthesizer |
| DEW | Directed Energy Weapon Systems |
| DMA | Dynamic Mechanical Analysis |
| DME | Distance Measuring Equipment |
| DMOSFET | Diffused Metal Oxide Semiconductor Field Effect Transistor |
| DS | Directionally Solidified |
| EB | Exploding Bridge |
| EB-PVD | Electron Beam Physical Vapour Deposition |
| EBW | Exploding Bridge Wire |
| ECM | Electro-Chemical Machining |
| ECR | Electron Cyclotron Resonance |
| EDM | Electrical Discharge Machines |
| EEPROM | Electrically Erasable Programmable Read Only Memory |
| EFI | Exploding Foil Initiators |
| EIA | Electronic Industries Association |
| EIRP | Effective Isotropic Radiated Power |
| EMC | Electromagnetic Compatibility |
| EMCDB | Elastomer Modified Cast Double Based Propellants |
| ERF | Electrorheological Finishing |
| ERP | Effective Radiated Power |
| ETO | Emitter Turn-Off Thyristor |
| ETT | Electrical Triggering Thyristor |
| EUV | Extreme Ultraviolet |
| FADEC | Full Authority Digital Engine Control |
| FFT | Fast Fourier Transform |
| FFT | Fast Fourier Transform |
| FGPA | Field Programmable Gate Array |
| FOV | Field of View |
| FPA | Focal Plane Array |
| FPIC | Field Programmable Interconnect |
| FPLA | Field Programmable Logic Array |
| FPO | Floating Point Operation |
| FWHM | Full-Width Half-Maximum |
| GLONASS | Global Navigation Satellite System |
| GNSS | Global Navigation Satellite System |
| GPS | Global Positioning System |
| GSM | Global System for Mobile Communications |
| GTO | Gate Turn-off Thyristor |
| HBT | Hetero-Bipolar Transistors |
| HEMT | High Electron Mobility Transistors |
| ICAO | International Civil Aviation Organisation |
| IEC | International Electro-technical Commission |
| IED | Improvised Explosive Device |
| IEEE | Institute of Electrical and Electronic Engineers |
| IFOV | Instantaneous-Field-of-View |
| IGBT | Insulated Gate Bipolar Transistor |
| IGCT | Integrated Gate Commutated Thyristor |
| IHO | International Hydrographic Organization |
| ILS | Instrument Landing System |
| IMU | Inertial Measurement Unit |
| INS | Inertial Navigation System |
| IP | Internet Protocol |
| IRS | Inertial Reference System |
| IRU | Inertial Reference Unit |
| ISA | International Standard Atmosphere |
| ISAR | Inverse Synthetic Aperture Radar |
| ISO | International Organization for Standardization |
| ITU | International Telecommunication Union |
| JT | Joule-Thomson |
| LIDAR | Light Detection and Ranging |
| LIDT | Laser Induced Damage Threshold |
| LOA | Length Overall |
| LRU | Line Replaceable Unit |
| LTT | Light Triggering Thyristor |
| LVDT | Linear Variable Differential Transformer |
| Mach | Ratio of speed of an object to speed of sound (after Ernst Mach) |
| MLIS | Molecular Laser Isotopic Separation |
| MLS | Microwave Landing Systems |
| MMIC | Monolithic Microwave Integrated Circuit |
| MOCVD | Metal Organic Chemical Vapour Deposition |
| MOSFET | Metal-Oxide-Semiconductor Field Effect Transistor |
| MPM | Microwave Power Module |
| MRAM | Magnetic Random Access Memory |
| MRF | Magnetorheological Finishing |
| MRF | Magnetorheological Finishing |
| MRI | Magnetic Resonance Imaging |
| MTBF | Mean-Time-Between-Failures |
| MTTF | Mean-Time-To-Failure |
| NA | Numerical Aperture |
| NBC | Nuclear, Biological and Chemical |
| NDT | Non-Destructive Test |
| NEQ | Net Explosive Quantity |
| OAM | Operations, Administration or Maintenance |
| OSI | Open Systems Interconnection |
| PAI | Polyamide-imides |
| PAR | Precision Approach Radar |
| PCL | Passive Coherent Location |
| PDK | Process Design Kit |
| PMR | Private Mobile Radio |
| Ppm | Parts per million |
| PVD | Physical Vapour Deposition |
| QAM | Quadrature-Amplitude-Modulation |
| RAP | Reactive Atom Plasmas |
| RF | Radio Frequency |
| RNC | Radio Network Controller |
| ROIC | ROIC Read-out Integrated Circuit |
| RPV | Remotely Piloted Air Vehicle |
| SAR | Synthetic Aperture Radar |
| SAS | Synthetic Aperture Sonar |
| SC | Single Crystal |
| SCR | Silicon Controlled Rectifier |
| SFDR | Spurious Free Dynamic Range |
| S-FIL | Step and Flash Imprint Lithography |
| SHPL | Super High Powered Laser |
| SLAR | Sidelooking Airborne Radar |
| SOI | Silicon-on-Insulator |
| SPLD | Simple Programmable Logic Device |
| SQUID | Superconducting Quantum Interference Device |
| SRA | Shop Replaceable Assembly |
| SRAM | Static Random Access Memory |
| SRM | SACMA Recommended Methods |
| SSB | Single Sideband |
| SSR | Secondary Surveillance Radar |
| SSS | Side Scan Sonar |
| TCSEC | Trusted Computer System Evaluation Criteria |
| TE-PVD | Thermal Evaporation-Physical Vapour Deposition |
| TIR | Total Indicated Reading |
| TVR | Transmitting Voltage Response |
| UAV | UAV Unmanned Aerial Vehicle |
| UPR | Unidirectional Positioning Repeatability |
| UTS | Ultimate Tensile Strength |
| VJFET | Vertical Junction Field Effect Transistor |
| VOR | Very High Frequency Omni-directional Range |
| WLAN | Wireless Local Area Network |
| YAG | Yttrium/Aluminium Garnet |
