Acronyms & Abbreviations

The definition of PDF is:

JOHN HANCOCK PATRIOT PREMIUM DIVIDEND FUND I

Package Definition File

Pair distribution function

Panama Defense Force

Panamanian Defense Force

Panamanian Defense Forces

Parameterized diastolic filling

Parkinson's Disease Foundation

Partnership Development Fund

Passive Direction Finder

Payload Data Formatter

Pelican Air Services

People's Defence Force

Peptide deformylase

Period Dominant Frequency

Peritoneal dialysate fluid

Peritoneal dialysis fluid

Peritoneal dialysis fluids

Pharmaceutical Dosage Forms

Pigment-dispersing factor

Planar deformation feature

Planetary Defense System

Plant design factor

Platform Data File

Pocket Dosimeter, FEMA

Point Detonating Fuse

Point-detonating fuze

Pole Density Function

Policy Decision Function

Policy Definition Function

Policy Distribution Function

Polypeptide deformylase

Pooled Development Fund

Pop Directional Formatting

Portable Data File

Portable Data Files

Portable Data Format

Portable Document File

Portable Document Files

Portable Document Format

Post script Document Format

Post-Detection Filter

Postdialysis fatigue

Powder Diffraction File

Power Density Function

Power Development Fund

Power Distribution Frame

Power Distribution Function

Pre Defined Function

Precipitation Detection Function

Precision Direction Finder

Precision Direction Finding

Preisach Distribution Function

Premium Deposit Fund

Preparation and Development Facility

Primary Display Function

Primary dysfunction

Principal Direction of Fire

Principal's Development Fund

Printer Definition File

Printer Description

Printer Description File

Probability density function

Probability density functions

Probability distribution function

PROBLEM DETERMINATION FACILITY

Process design failure

Processing and Distribution Facility

Processor Defined Function

Product Description File

Product Development Fund

Production Data Facility

Professional Development Foundation

Profile Directed Feedback

Program Data File

Program Data Form

Program Development Facility

Programmable Data Format

PROGRAMMABLE DATA FORMATTER

Project design flood

Project Development Facility

Project Development Funds

Propability Density Function

Prostate derived factor

Protected Difference Fat

Protective Defensive Fires

Pulse Density Function

Pulse Duty Factor