STEL
| Acronym | Definition |
|---|---|
| STEL | Short Term Exposure Limit |
| STEL | Stellent, Inc. (stock abbreviation, AMEX) |
| STEL | Solar Terrestrial Environment Laboratory (Nagoya University; Japan) |
| STEL | Short Time Exposure Limit |
| STEL | Station de Traitement des Effluents Liquides (French: Liquid Effluents Treatment Station) |
| STEL | Standard Telecommunications |
| STEL | Support & Test Equipment List |