What does PU stand for?

Guinea-Bissau - Federal Information Processing Standard (FIPS) country code (GEON)

Pacifc University (SAUS)

Pack Unit - Single title, multiple orders - Publishing - British

Paid Up - Insurance (EY)

Palindromic Unit - Molecular biology (QSUL)

Parents United (EA)

Participating Unit (NVT)

Parts Used - Medicine

Passed Urine - Medicine

Pass Urine (SAUS)

Paste Up (ADA)

Peptic Ulcer - Medicine

Perbonate Unit - Analytical biochemistry

Percent Utilization - Anesthesiology

Peripheral Unit - Computers (MSA)

Personal Use (FOTI)

Personnel, Utility - British military (DMA)

Persons Using - Television (WDMC)

Peru - IYRU nationality code (IYR)

Peru - NCIC country-territory code (NCIC)

Perudic - Soil biology - Soil moisture regime (QSUL)

Per Unit (EECA)

Per-Unit (SAUS)

Per Urethra - Medicine

Philips University (SAUS)

Physical Unit - Computer science (IBMDP)

Pickup (MIST)

Pistol, Percussion - NCIC gun type code (NCIC)

Planning Unit (HEAS)

Plant Unit

Players' Union - Football - British

Pluggable Unit (SAA)

Pluna - Airline flight code (ODBW)

Plutonium

Polysulfide Urethane (SAUS)

Polyurethane - Also, PUR - Organic chemistry

Port-Unit (SAUS)

Power Equipment - JETDS nomenclature - Military (CET)

Power Unit

Prefix Update (SAUS)

Pregnancy Urine - Medicine

Prilled Urea - A fertilizer

Primary User (SAUS)

Princeton University

Printing Unit (SAUS)

Print Unit (SAUS)

Prisoner's Union - Later, PRU (EA)

Processing Unit - Computer science

Processor Unit (SAUS)

Processor Utility - Telecommunications (TEL)

Production Unit (CAAL)

Program Unit (SAUS)

Propellant Unit (NASA)

Propellant Utilization - Aerospace

Propulsion Unit (KSC)

Propyleneurea - Organic chemistry

Prostatic Urethra - Anatomy - Urology (DAVI)

Protection Unearthed (SAUS)

Proteolytic Unit (SAUS)

Proutist Universal (EA)

Public - Telegraphy (PCTE)

Publications (MCD)

Publisher - Online database field identifier

Puetzer - Germany - ICAO aircraft manufacturer identifier (ICAO)

Pumps (RIMS)

Pump Unit (AAG)

Purdue University

Purple (ROG)

University of Pennsylvania, Philadelphia, PA - Library symbol - Library of Congress (LCLS)

Paid Up - Insurance (ODBW)

Plutonium - Chemical element

Punic (BJA)

Punjab Regiment - India - Army

Purine - Biochemistry