What does PDM stand for?

Mexican Democrat Party - Political party (PSAP)

Parallel-Port Data Module - Computer communications

Parlance Document Manager (SAUS)

Partial Descriptive Method

Parti Democratique Malgache - Malagasy Democratic Party

Partido de los Democratas Melillenses - Spanish North Africa - Political party (MENA)

Passenger's Door Module - Automotive engineering

Patient Data Management

Pay Duties Manual (SAUS)

Pendant Drop Method

People's Democratic Movement - Guyana - Political party (EY)

People's Democratic Movement - Papua New Guinea - Political party (FEA)

People's Democratic Movement - Turks and Caicos Islands - Political party (PPW)

Percent Deviation from the Median

Periodic Depot Maintenance (SAUS)

Permanent Data Memory (SAUS)

Phase Difference Modulation (SAUS)

Phase Displacement (IAA)

Photographic Data Memory (SAUS)

Physical Data Model - A designed data representation

Physical Distribution Management

Physiological Data Monitor

Pilot Decision Making - Aviation (DA)

Pinch Design Method - Heat exchange design

Pipework Design Management (SAUS)

Pitt-DesMoines Inc. - AMEX symbol

Pittsburgh - Des Moines, Inc. - AMEX symbol (SPSG)

Planned Depot Maintenance (SAUS)

Pneumatic Drive Motor - A machine

Point Defence Missile (SAUS)

Point Distribution Model (DMAA)

Polarization Division Multiplexing (SAUS)

Polynomial Discriminant Method (PDAA)

Portable Differential Magnetometer

Positive Displacement Motor (SAUS)

Possible Duplicate Message (TRID)

Power Density Meter

Power Density Monitor - Environmental science (COE)

Power Down Mode

Practical Data Manager - Hitachi Ltd. - Japan

Practical Dental Monographs (SAUS)

Precedence Diagraming Method (MCD)

Predictive Maintenance

Predominate - Telegraphy (PCTE)

Prehospital and Disaster Medicine (SAUS)

Preliminary Development Model

Preliminary Draft Manuscript

Presidential Decision Memorandum - Jimmy Carter Administration

Primary Data Management (SAUS)

Print Down Module

Probabilistic Dilution Model (SAUS)

Process Decision Model (VLIE)

Processor Data Monitor (NASA)

Product and Document Management (SAUS)

Product Data Management

Product Data Manager (SAUS)

Product Development Manual - Automotive project management

Production Decision Criteria Matrix

Program Data Manager (MCD)

Program Debugging Mode - Computer science (VLIE)

Program Decision Meeting (SAUS)

Program Decision Memorandum - Military

Program Design Manual (VLIE)

Program Development Manager (SAUS)

Program Development Manual (ACAE)

Programmable Data Monitor (SAUS)

Programmable Data Mover (SAUS)

Programmed Depot Maintenance (MCD)

Programmer Defined Macro - Computer science (VLIE)

Progres et Democratie Moderne - Progress and Modern Democracy - France - Political party (PPE)

Project Data Manual (ACAE)

Project Design Memo

Project Development Methodology (SAUS)

Propellant Dispersion Munition (ACAE)

Propellant Distribution Module (ACAE)

Protected Difference Milk (OA)

Publications Distribution Manager - Military (AFM)

Pulse Data Modulation - Computer science (IAA)

Pulse Delay Mechanism - British military (DMA)

Pulse Delta Modulation (IEEE)

Pulse Duration Modulation - Data transmission

Pursuit Deterrent Mine (SAUS)

Pursuit Deterrent Munition

Push Down Memory - Computer science

Podium (VRA)