| Acronym | Meaning |
| PDR | Photon-dominated Region |
| EDN | Eosinophil-derived Neurotoxin |
| TEELS | Transmission Electron Energy Loss Spectroscopy |
| NCC | Near-centerline Concn. |
| RIOSA | Rotational Infinite Order Sudden Approxn. |
| CMOS | Complementary Metal Oxide Semiconductor |
| SEPT | Secular Equation (with) Perturbation Theory |
| CNP | C-type Natriuretic Peptide |
| FIGE | Field Inversion Gel Electrophoresis |
| OWVP | Outgoing Wave Variational Principle |