| Acronym | Definition |
|---|
| WETT➣Whole Effluent Toxicity Testing (various organizations) |
| WETT➣Wood Energy Technology Training (training organization in Canada for wood heat technicians; since mid 1980s) |
| WETT➣Water Energy Technology Team (Lawrence Berkeley National Laboratory; California) |
| WETT➣Warlpiri Education and Training Trust (Australia) |
| WETT➣Wood Energy Technical Transfer, Inc. (Canada) |