The meaning of the Acronym PDI is...

PDI is

• Precision Diagnostic Instruments
• Performance Development, Inc.

More Meanings For PDI:

• Picture Description Instructions
• Packet Data Item
• Premium Duplicator Ink
• Past Due Interest
• Personal Diagnostic Interview
• Previously Disdavantaged Individuals
• Public Display Of Insanity
• Pretty Damn Ignorant
• Paradigm Deconstruction Interpretivism
• Protein Disulphide Isomerase
• Percent Depth Ionization
• The Professional Development Initiative
• Product Data Interchange
• Pilot Direction Indicator
• Powder For Injection

PDI is also in:

• General
• Networking
• Physiology
• Unfiled