| Acronym | Meaning |
| MPCA | Multiway Principal Component Analysis |
| CC-CI | Cluster Corrected-configuration Interaction |
| RP/M | Reinforced Plastics/mortar |
| RFG | Reformulated Gasoline |
| EIE | Easily Ionized Element |
| LIGO | Laser-interferometer Gravitational-wave Observatory |
| TVS | Total Volatile Solids |
| DMCP | DOE Methods Compendium Program |
| ARMAX | Autoregressive Moving Average Exogenous |
| TIP | Total Isomerization Process |