What does Phd stand for?

Phaedo - of Plato - Classical studies (OCD)

Chesapeake Biological Laboratories, Inc. - AMEX symbol (SAG)

Dixmont State Hospital, Sewickley, PA - OCLC symbol (OCLC)

Doctor of Public Health - British (DAS)

Duncan Aviation, Inc. - ICAO designator (FAAC)

Koninklijke Philips Electronics NV - NYSE symbol

New Philadelphia, OH - Location identifier - FAA (FAAL)

Panty-Hose Distributor (SAUS)

Parallel Head Disk

Pathological Habit Disorder - Medicine (EDAA)

Phase Detector (SAUS)

Phase-Shift Driver (CET)

Photoelectron Diffraction - Spectroscopy

Photohydrodynamic - Astrophysics

Phreak Hacker Destroyers

Phudagi - Language symbol (ETLW)

Physical Hydrology Division (SAUS)

Piled Higher and Deeper (SAUS)

Pilot's Horizontal Display - Aviation (CAAL)

Poly Harnstoff Dispersion - Organic chemistry

Port Hueneme Division - Naval Surface Warfare Center

Port Huron & Detroit Railroad Co. - AAR code

Positioning-Head Drum (DNAB)

Post-heparin (Plasma) Diamine Oxidase - Medicine (EDAA)

Potential Harmful Drug (SAUS)

Precision High Dose

Pride, Hustle, and Drive

Pseudohypertrophic Dystrophy - Medicine (EDAA)

Public Health Department

Public Health Director

Public Health Doctor (SAUS)

Public Housing Development - Department of Housing and Urban Development (GFGA)

Pulsed Holograpy Development - Department of Energy

Pulse Height Discrimination

Pulse Height Discriminators (ADWA)