| 1D | one-dimensional |
| 2D | two-dimensional |
| 3D | three-dimensional |
| AI | artificial intelligence |
| AI4Sci | AI for Science |
| AI4SES | AI for Science, Energy, and Security |
| ALE | Arbitrary Lagrangian-Eulerian |
| AMR | adaptive mesh refinement |
| ANL | Argonne National Laboratory |
| ASC | Advanced Simulation and Computing |
| ASCI | Accelerated Strategic Computing Initiative |
| ASCR | Advanced Scientific Computing Research |
| ASIC | application-specific integrated circuit |
| CHIPS | Creating Helpful Incentives to Produce Semiconductors |
| CJ | Chapman-Jouguet |
| CMOS | complementary metal-oxide semiconductor |
| CSGF | Computational Science Graduate Fellowship |
| DARHT | Dual Axis Radiographic Hydrodynamic Test Facility |
| DOE | Department of Energy |
| DRAM | dynamic random access memory |
| ECP | Exascale Computing Project |
| EOS | equation of state |
| EUV | extreme ultraviolet |
| FLOP | floating-point operation |
| FLOPS | floating-point operations per second |
| FPGA | field-programmable gate array |
| HBM | high-bandwidth memory |
| HPC | high-performance computing |
| IaaS | infrastructure as a service |
| IC | integrated circuit |
| LANL | Los Alamos National Laboratory |
| LEP | life extension program |
| LES | large eddy simulation |
| LLNL | Lawrence Livermore National Laboratory |
| MFLOP | millions of floating-point operation |
| MPI | message passing interface |
| NDAA | National Defense Authorization Act |
| NEP | nuclear explosive package |
| NIF | National Ignition Facility |
| NISQ | noisy intermediate-scale quantum |
| NIST | National Institute of Standards and Technology |
| NNSA | National Nuclear Security Administration |
| NNSS | Nevada National Security Site |
| NSSC | Nuclear Science and Security Consortium |
| NUMA | nonuniform memory access |
| ORNL | Oak Ridge National Laboratory |
| PaaS | platform as a service |
| PDE | Partial Differential Equation |
| PSAAP | Predictive Science Academic Alliance Program |
| QMU | quantification of margins and uncertainties |
| R&D | research and development |
| RANS | Reynolds-averaged Navier-Stokes |
| SaaS | software as a service |
| SBSS | Science-Based Stockpile Stewardship |
| SNL | Sandia National Laboratories |
| SoC | system-on-a-chip |
| TSMC | Taiwan Semiconductor Manufacturing Company |
| VVUQ | verification, validation, and uncertainty quantification |