| Acronym | Meaning |
| TDM | Truncated Diagonalization Method |
| REX | Reactive Extrusion |
| LMTD | Logarithmic Mean Temperature Difference |
| ICM | Inner Cell Mass |
| IRRAS | Infrared Reflection Absorption Spectroscopy |
| PIES | Partial Integration Exterior Scaling (in Calcns. On Resonance Positions And Lifetimes |
| EST | External Standardization Technique |
| NDF | Neutral Detergent Fiber |
| BLDSC | British Library Document Supply Centre |
| STW | Surface Transverse Wave |