| 2D | two dimensional |
| 3D | three dimensional |
| 4D | four dimensional |
| A&A | analysis and assessment |
| ABLE | atmospheric boundary layer environment |
| ABM | agent-based model |
| AEM | alkaline exchange membrane |
| AFRL | Air Force Research Laboratory |
| AI | artificial intelligence |
| AIS | Abbreviated Injury Scale |
| AM | additive manufacturing |
| AMT | Amazon Mechanical Turk |
| ANL | Argonne National Laboratory |
| API | application programming interface |
| ARDEC | Armament Research, Development and Engineering Center |
| ARL | Army Research Laboratory |
| ARLTAB | Army Research Laboratory Technical Assessment Board |
| ARO | Army Research Office |
| ATGM | anti-tank guided missile |
| BABT | behind-armor blunt trauma |
| BED | Battlefield Environments Division |
| BSVL | ballistics survivability, vulnerability, and lethality |
| C4ISR | command, control, communications, computers, intelligence, surveillance, and reconnaissance |
| CCE | core campaign enabler |
| CHIMERA | Cyber Human Integrated Modeling and Experimentation Range Army |
| CISD | Computational and Information Sciences Directorate |
| CMOS | complementary metal-oxide-semiconductor |
| COTS | commercial off-the-shelf |
| CRA | Collaborative Research Alliance |
| CRADA | cooperative research and development agreement |
| CREB | Center for Research in Extreme Batteries |
| CSM | Center for Semiconductor Modeling |
| CT | computed tomography |
| CTA | Collaborative Technology Alliance |
| CW | continuous wave |
| DAHI | Diverse Accessible Heterogeneous Integration |
| DARPA | Defense Advanced Research Projects Agency |
| DE | directed energy |
| DFT | density functional theory |
| DIC | digital image correlation |
| DOD | Department of Defense |
| DoE | design of experiments |
| DOE | Department of Energy |
| EEG | electroencephalogram |
| ERA | essential research area |
| ET | eye tracking |
| EW | electronic warfare |
| FCC | face-centered cubic |
| FEM | finite element method |
| FP | floating point |
| FPGA | field programmable gate array |
| FRM | fast-running model |
| FY | fiscal year |
| GDTA | goal-directed task analysis |
| GPS | global positioning system |
| GPU | graphics processing unit |
| HAT | human-agent teaming |
| HCI | human-computer interaction |
| HDR | high dynamic range |
| HER | hydrogen evolution reaction |
| HFE | human factors engineering |
| HIDRA | high-voltage in situ diagnostic radiography apparatus |
| HII | human-information interaction |
| HMI | human-machine interaction |
| HMS | hierarchical multiscale |
| HPC | high-performance computing |
| HRED | Human Research and Engineering Directorate |
| HRI | human-robot interaction |
| HSI | human systems integration |
| ICRA | International Conference on Robotics and Automation |
| IED | improvised explosive device |
| IEEE | Institute of Electrical and Electronics Engineers |
| IMPRINT | Improved Performance Research Integration Tool |
| I/O | input/output |
| IoBT | Internet of Battlefield Things |
| IP | Internet protocol |
| IR | infrared |
| ISC | Intelligent Systems Center |
| IT | information technology |
| JASS | Job Assessment Software System |
| JER | Jornada Experimental Range |
| JP-8 | jet propellant 8 (fuel) |
| JTAPIC | Joint Trauma Analysis and Prevention of Injury in Combat |
| KCI | Key Campaign Initiative |
| LAB | Laboratory Assessments Board |
| LBM | lattice Boltzmann method |
| LIDAR | light detection and ranging |
| MATERHORN | mountain terrain atmospheric modeling and observations |
| MBE | molecular beam epitaxy |
| MD | molecular dynamics |
| MEMS | microelectromechanical system |
| MHI | machine-human interaction |
| ML | machine learning |
| MODE | method for object-based diagnostic evaluation |
| MOS | military occupational specialty |
| MOSFET | metal-oxide semiconductor field-effect transistor |
| MPI | message passing interface |
| MRMC | Medical Research and Materiel Command |
| MS&PP | materials for soldier and platform power systems |
| MSA | meteorological sensor array |
| MURI | Multidisciplinary University Research Initiative |
| MUVES | modular UNIX-based vulnerability estimation suite |
| NASA | National Aeronautics and Space Administration |
| NCAR | National Center for Atmospheric Research |
| NIST | National Institute of Standards and Technology |
| NoC | Network-on-Chip |
| NRL | Naval Research Laboratory |
| NSA | National Security Agency |
| NSF | National Science Foundation |
| NWP | numerical weather prediction |
| OPBO | output power back off |
| ORCA | operational-requirements-based casualty assessment |
| PA | power amplifier |
| PAE | power amplifier high-energy efficiency |
| PBL | planetary boundary layer |
| PDR | preliminary design review |
| PDV | photon Doppler velocimetry |
| PEM | proton-exchange membrane |
| PI | principal investigator |
| PM | program manager |
| POMDP | Partially Observable Markov Decision Process |
| PPE | personal protective equipment |
| PS | personnel survivability |
| PZT | lead zirconate titanate |
| R&D | research and development |
| RF | radio frequency |
| RFI | radio frequency interference |
| RWB | real-world behavior |
| S&E | sensing and effecting |
| S&T | science and technology |
| SA | situation awareness |
| SBIR | Small Business Innovation Research |
| SEDD | Sensors and Electron Devices Directorate |
| SEM | scanning electron microscopy |
| SHPB | split-Hopkinson pressure bar |
| SIIS | system intelligence and intelligent systems |
| SLAD | Survivability and Lethality Analysis Directorate |
| SMA | shape memory alloy |
| SME | subject matter expert |
| SRNC | Semiconductor Research Nanofabrication Center |
| SWAP | size, weight, and power |
| SWAPC | size, weight, power, and cost |
| SWAPCT | size, weight, power, cost, and time |
| SWAPT | size, weight, power, and time |
| SWAPTN | SWAPT plus network |
| TAD | target audience description |
| TARDEC | Tank Automotive Research, Development, and Engineering Center |
| TBI | traumatic brain injury |
| ToA | time of arrival |
| TPU | tensor processing unit |
| TRL | technology readiness level |
| TTCP | The Technical Cooperation Program |
| TUEI | tactical unit energy independence |
| UAS | unmanned aircraft system |
| UAV | unmanned aerial vehicle |
| UHMWPE | ultrahigh molecular weight polyethylene |
| UQ | uncertainty quantification |
| USDA | U.S. Department of Agriculture |
| UV | ultraviolet |
| V&V | validation and verification |
| VFM | vortex filament method |
| VI | vehicle intelligence |
| VLES | very-large-eddy-simulation |
| VoI | value of information |
| VTD | Vehicle Technology Directorate |
| WBG | wide bandgap |
| WMRD | Weapons and Materials Research Directorate |
| WRF | weather research and forecasting |
| WSMR | White Sands Missile Range |