The meaning of the Acronym PDH is...

PDH is

• Pretty Damn Happy

More Meanings For PDH:

• Performance Data Helper
• Plesiochronous Digital Hierarchy
• Plesiochronous Digital Hierarchy
• Pyruvate De-Hydrogenase
• Pretty Damn Happy
• Plesiosynchronous Digital Hierarchy
• Pyar Dosti Hai
• Peterborough District Hospital
• Pyruvate DeHydrogenase
• Pain Drug Hypnosis
• Prevention of Deafness and Hearing Impairment
• Pituitary-Dependent Hyperadrenocorticism
• Professional Development Hour
• Professional Development Hours
• Pocket Dosimeter-High

PDH is also in:

• Adults
• Chemistry
• General
• Hospitals
• Laboratory
• NASA
• Networking
• Physiology
• Positions
• Telecom
• Unfiled