PBTI
| Acronym | Definition |
|---|---|
| PBTI | Positive Bias Temperature Instability |
| PBTI | Pacific Boat Trailers Inc. (Newark, CA) |
| PBTI | Partai Bhinneka Tunggal Ika (Indonesian: Bhinneka Tunggal Ika Party) |
| PBTI | Persistent Bioaccumulative Toxics Initiative (US EPA) |
| PBTI | Plasma Bilirubin Toxicity Index (pediatrics) |