| Acronym | Meaning |
![](file.png) | BAW | Bond-order Alternation Wave (mol. Orbital) |
![](file.png) | ECEC | European Center For Environmental Communication |
![](file.png) | CHA | Concentric Hemispherical Analyzer |
![](file.png) | VCI | Valence Configuration Interaction (wave Function) |
![](file.png) | HV | Vickers Hardness Number |
![](file.png) | DCA | Dressed-cluster Approximation (in Band-structure Calcns.) |
![](file.png) | ETEAO | Even-tempered Exponential Atomic Orbital |
![](file.png) | DOC | Department Of Conservation |
![](file.png) | COSHH | Control Of Substances Hazardous To Health (UK) |
![](file.png) | NGL | Natural Gas Liquid (usually Ethane Or Propane) |