| Abbreviation | Definition |
|---|---|
| ELE | Ester Like Ether |
| ELISA | Enzyme Linked Immuno Sorbent Assay |
| ELM | External Limiting Membrane |
| ELNES | Energy-Loss Near-Edge Structure |
| ELO | Electric Light Orchestra |
| EM | Elevated Moisture |
| EMA | Ethylene Methacrylic Acid |
| EMAAA | Ethylene Methyl Acrylate And Acrylic Acid |
| EMCI | Envirofacts Master Chemical Integrator |
| EMMA | Euclidean Model MAtching |
| EMOC | Educational Materials for Organic Chemistry |
| EMP | Electron Microprobe |
| EMPA | Ethyl Methyl Phosphoric Acid |
| EMS | Ethyl Methane Sulphonate |
| EN | Ethylene Naphthalate |
| ENBA | Ethylene/N-Butyl Acrylate |
| ENCS | Existing and New Chemical Substances |
| ENM | Effective Neutralizing Material |
| EOF | Electro-Osmotic Flow |
| EP | Ethylene Polypropylene |