The Combined Standards Glossary provides a comprehensive, alphabetized list of all the acronyms, glossary terms and definitions from the currently published PMI standards publications, including:

A Guide to the Project Management Body of Knowledge (PMBOK® Guide) - Third Edition
Construction Extension to A Guide to the Project Management Body of Knowledge - 2000 Edition
Government Extension to A Guide to the Project Management Body of Knowledge
Organizational Project Management Maturity Model (OPM3®)
Practice Standard for Earned Value Management (PS-EVM)
Practice Standard for Work Breakdown Structures (PS-WBS)-Second Edition
Project Manager Competency Development (PMCD) Framework
The Standard for Program Management
The Standard for Portfolio Management