Wikipedia
PDH
PDH may refer to:
- Angiotensin-converting enzyme, an enzyme
- Plesiochronous digital hierarchy, a technology used in telecommunications networks
- Pound–Drever–Hall technique, a widely used and powerful approach for stabilizing the frequency (or wavelength) of light emitted by a laser
- Professional Development Hours, a measure of continuing professional development for licensed professionals
- Pyranose dehydrogenase (acceptor), an enzyme
- Pyruvate dehydrogenase, the first component enzyme of pyruvate dehydrogenase complex