| Acronym | Meaning |
| PWM | Pulse Width Modulation |
| TRPH | Total Recoverable Petroleum Hydrocarbons |
| GTAW | Gas-tungsten Arc Welding |
| GCSEL | Grating-coupled Surface-emitting Laser |
| OMTP | Overlap-multipole-expansion Procedure |
| MCPP | (+/-)-2-(4-chloro-2-methylphenoxy)propionic Acid (REG: 7085190) |
| EBA | Exponentiated Born Approximation |
| ELI | Extra Low Interstitial |
| ZFAAS | Zeeman Furnace Atomic Absorption Spectroscopy |
| BAT | Brown Adipose Tissue |