| Acronym | Meaning |
| CFS | Coherent Forward Scattering |
| PEN | Polyethylene Naphthalate |
| WTIE | Wastewater Treatment And Information Exchange |
| HSG | Human Salivary Gland |
| AFBR | Anaerobic Fluidized-bed Reactor |
| RMLC | Recommended Maximum Contaminant Level |
| SF CC | Space-fixed Close-coupled (equation |
| RPC | Regional Planning Commission |
| (PI)SDCI | (pi)-electron Singly And Doubly Excited CI |
| RLM | Reflected Light Microscopy |