| ERD | Entity Relationship Diagram |
| ERA | Entity-Relationship-Attribute |
| ERM | Entity-Relationship-Modeling |
| ERD | Entity-Relationship Diagram |
| ERE | Entity-Relationship Editor |
| ERM | Entity/Enterprise Relationship Model |
| CRM | Customer Relationship Management |
| LDR | Long Distance Relationship |
| ERM | Employee Relationship Management |
| AREP | Application Relationship Endpoint Aus Feldbusnorm IEC 61158 |
| BRM | Bewerber Relationship Management [dt.-engl.] |
| LSER | Linear Solvation Energy Relationship |
| LFER | Linear Free Energy Relationship |
| ARPM | Application Relationship Protocol Machine [engl.] Aus Feldbusnorm IEC 61158 |
| NET | Network Entity Title |
| LME | Layer Management Entity |
| AET | Application Entity Title [engl.] |
| ECM | Entity Connection/Coordination Management |
| SMAE | Systems Management Application Entity |
| HEM | High-level Entity Management |
| CCE | Connection Control Entity [engl.] |
| Mod. | Modell |
| ERO | Entity Reference Open delimiter [SGML] |
| VINCE | Vendor Independent Network Control Entity |
| POEM | Portable Object-oriented Entity Manager |
| HEMS | High-level Entity Management System [Internet] |
| HEMP | High-level Entity Management Protocol [Internet] |
| INC | Intranuclear Cascade [Modell] |
| FS | Fuchs-Sondheimer [Modell] |
| NCC | Net Charge Compensation [Modell] |
| BDM | Bockris-Devanathan-Mueller [Modell] |
| MRN | Modified Random Network [Modell] |
| CPK | Corey, Pauling, Kultun [Modell] |
| MCDW | MultiChannel Distorted Wave [Modell] |
| AUA | Anisotropic United Atom [Modell] |
| LZS | Landau-Zener-Stueckelberg [Modell] Begriff aus der Physik |
| ASA | Accessible Surface Area [Modell] |
| ARMA | AutoRegression Moving Average [Modell] |
| LGS | Langevin-Gioumousis-Stevenson [Modell] |
| EDV | Exponentially Damped Van der Waals [Modell] |
| EEM | Effective Equations of Motion [Modell] |
| ERAS | Extended Real Associated Solution [Modell] |
| BOLAM | Italienisches Modell basierend auf dem ECMWF |
| FPC | Fixed Partial Charge [Modell] |
| CLF | Cellular Ligand Field [Modell] |
| MCDW | Matrix Continuum Distorted Wave [Modell] |
| DIPR | Direct Interaction with Product Repulsion [Modell] |
| DRIS | Dynamic Rotational Isomeric State [Modell] |
| HTBM | High-Temperature Birch-Murnaghan [Modell] |
| ECM | "Modell des ""European Centre for Medium-range Weather Forecast"" [ECMWF]" |