| Acronym | Meaning |
| OPA | Optical Parametric Amplifier |
| AOMA | American Occupational Medical Association |
| RVDT | Rotary Variable Differential Transformer |
| ADES | Angle-dispersed Electron Spectroscopy |
| CPED | Convergent Probe Electron Diffraction |
| HETP | Height Equivalent To A Theoretical Plate |
| SAMO | Simulated Ab Initio Molecular Orbital |
| MTPE | Mission To Planet Earth |
| MSA | Microscopy Society Of America |
| PAM | Photolabile Attachment Molecules |