| Acronym | Meaning |
| WEEE | Waste Electrical And Electronic Equipment |
| TFDW | Thomas-Fermi-Dirac-Von Weizsaecker (method For Electronic Structure Calcns. On Mols.) |
| INDO/S | Intermediate Neglect Of Differential Overlap Screened Approxn. |
| MSIS | Mass Spectrometer And Incoherent Scatter |
| MRLCC | Multireference Linearized Coupled Cluster |
| PLC | Polymer Liquid Crystal |
| STHM | Scanning Thermal Microscopy |
| MS | Molecular Spinor |
| MIPS | Million Instructions Per Second |
| UHTS | Ultra High-throughput Screening |