sort by Rank | Alpha
| Possible Meanings | Rank |
| Parliament Council of Europe | **** |
| Process and Control Engineering | **** |
| Paper Allied-Industrial Chemical and Energy Workers International Union | **** |
| Pacific Aging Council Endeavors | **** |
| Policy Analysis for California Education | **** |
| Pacific Autism Center for Education | **** |
| Public Awareness and Community Education | **** |
| Pacific Asian Center for Entrepreneurship | **** |
| Public Affairs and Civic Engagement | **** |
| People Acting in Community Endeavors | **** |
| Parishes Against Coastal Erosion | **** |
| Political Action for Candidate Election | **** |
| Public and Continuing Education | **** |
| Performing Arts Center Eastside | *** |
| Partnership Action for Continuing Employment | *** |
| Planning and Conducting Evaluations | *** |
| Partners for a Clean Environment | *** |
| Professional and Community Education | *** |
| Partnership for Advanced Computing in Europe | *** |
| Proactive Automation of Change Execution | *** |
| Palestinian Association for Cultural Exchange | *** |
| Paint and Coatings Expo | *** |
| Prostitution Alternatives Counselling and Education | *** |
| Political Action by Coors Employees | *** |
| Performing Arts Center for Education | *** |
| Protocol for Assessing Community Excellence | *** |
| Program for Accelerated College Education | *** |
| Program for Acquiring Competence in Entrepreneurship | *** |
| Parent And Child Education | *** |
| Parliamentary Assembly of Council of Europe | *** |
| Purchase of Agricultural Conservation Easements | *** |
| Prevention and Cessation Education | *** |
| Political Action Committee for Employees | *** |
| Programmable Artificial Cell Evolution | *** |
| Program Approval for Continuing Education | *** |
| Program for Athletic Coaches Education | *** |
| Permafrost And Climate in Europe | *** |
| Paralegal Advanced Competency Exam | *** |
| Performance Against Customer Expectations | *** |
| Pedestrian and Cyclist Equity | *** |
| Publishers Association for Cultural Exchange | *** |
| Patricia Area Community Endeavours | *** |
| Program to Aid Career Exploration | *** |
| Psychology of Abilities Competencies and Expertise | *** |
| Partners for Academic Excellence | *** |
| Professional Association for Childhood Education | *** |
| Parents and Children for Equality | *** |
| Physician Asthma Care Education | *** |
| Program of Alternative Certification for Educators | *** |
| Philanthropy for Active Civic Engagement | *** |
| Partnership for Action on Computing Equipment | *** |
| Pesticide Applicator Continuing Education | *** |
| Palm Application Compatibility Environment | *** |
| Pathways to Arts and Cultural Employment | *** |
| Parents Autism Campaign for Education | *** |
| Parents Advancing Choice in Education | *** |
| Phelps Architecture Construction and Engineering | *** |
| Professional Activities Committee for Engineers | *** |
| Principia Adult Continuing Education | *** |
| Polaris Application Certification Enterprise | *** |
| Property Advisers to the Civil Estate | *** |
| Partners in Active Continuous Education | *** |
| Professional Arts Coalition of Edmonton | *** |
| Promoting Action on Clinical Effectiveness | *** |
| Pilot Automatic Computing Engine | *** |
| Post Abortion Counseling and Education | *** |
| Partnership for Academic and Career Education | *** |
| Promoting Active Competition Everywhere | *** |
| Project for Advocacy Counselling | *** |
| Political Action Committee for Education | *** |
| Patuxent Area Cycling Enthusiasts | *** |
| Palo Alto Chinese Education | *** |
| Private Automatic Computer Exchange | *** |
| Prostitution Alternatives Counseling and Education | *** |
| Pneumococcal Awareness Council of Experts | *** |
| Programme for the Control of Epizootics | *** |
| Pilipino American Collegiate Endeavor | *** |
| Performance and Career Enhancement | *** |
| Postcard Art Competition Exhibition | *** |
| Program to Aid Citizen Enterprise | *** |
| Practical and Cultural Education | *** |
| Perception Aging and Cognitive Ergonomics | *** |
| Penhallegon Associates Consulting Engineers | *** |
| Program for Adult Centered Education | *** |
| Phase Arctic Cloud Experiment | *** |
| Pedal Australia for Clean Energy | *** |
| Pinout and Area Constraints Editor | *** |
| Plan for Accelerating Exploration | *** |
| Pressures Actions Capabilities Enablers | *** |
| Project for Advice Counselling and Education | *** |
| Paralegal Advanced Competency Examination | *** |
| Pharmacy Australia Centre of Excellence | *** |
| Project for the Advancement of Childhood Education | *** |
| Pollution Abatement Costs and Expenditures | *** |
| Professional Architects Consultants and Engineers | *** |
| Partners for Advancement of Collaborative Engineering | *** |
| Physical Activity in Contemporary Education | *** |
| Professional Automotive Career Education | *** |
| Pacific Association of Challenge Enthusiasts | *** |
| Professional and Career Education | *** |
| Partnership for Continuing Education | *** |
| Premium for Academic Excellence | *** |
| Prevention and Control Exchange | *** |
| Purdue Academic Computing Environment | *** |
| Police Assisted Community Enforcement | *** |
| Prostate Awareness and Cancer Education | *** |
| Personal Assessment of the College Environment | *** |
| Protestant and Catholic Encounter | *** |
| Professional Association of Clinical Engineering | *** |
| professional and administrative career examination | ** |
| Perkins Approved Clear English | ** |
| Professional Association for Clinical Engineering | ** |
| Preventing Agricultural Chemical Exposure | ** |
| Policy Accuracy Creates Enthusiasm | ** |
| platinised activated carbon electrode | ** |
| platinised activated carbon electrodes | ** |
| Population-Adjusted Clinical Epidemiology | ** |
| pressure-assisted capillary electrophoresis | ** |
| proteasome-associated control element | ** |
| Partnership for Achieving Construction Excellence | ** |
| Parents Alliance for Catholic Education | ** |
| Program for Adult Continuing Education | ** |
| Professional Association of City Employees | ** |
| A Practical Approach to Concurrent Engineering | ** |
| Pidgins and Creoles in Education | ** |
| Preserve Assets and Community Equity | ** |
| Policy Alternatives Community and Education | ** |
| Palestinian Association of Cultural Exchange | ** |
| Project for Adult College Education | ** |
| Personal Assessment and Crisis Evaluation | ** |
| phase acquisition of composite echo | ** |
| phase acquisition of composite echoes | ** |
| Pilot Ambulatory Care and Education | ** |
| Pilot Ambulatory Care and Education | ** |
| programmable, autonomously controlled electrode electrophoresis | ** |
| psychiatric acute care and emergency | ** |
| Professional Association of Christian Educators | ** |
| Parser Comparison and Evaluation | ** |
| pollution abatement and control expenditures | ** |
| Professional Association For Catering Education | ** |
| Primary Assessment Curriculum and Experience | ** |
| Professional Achievement in Ceramic Engineering | ** |
| Professional Adult Comprehensive Education | ** |
| Partnership in Assisting Community Expansion | ** |
| plasma angiotensin I converting enzyme | ** |
| polyacrylamide affinity coelectrophoresis technique | ** |
| Programs Advancing Citizenship Education | ** |
| Pulaski Alliance for Community Education | ** |
| Police Association for College Education | ** |
| Public Alliance for Community Energy | ** |
| Professional and Classified Employee | ** |
| Policy Alternatives Community Education | ** |
| Practical Academic and Cultural Education | ** |
| Plan for Academic and Career Excellence | ** |
| Political Action Committee for Engineers | ** |
| Productivity and Cost Efficiencies | ** |
| Professional Achievement Citation in Engineering | ** |
| Providers of Approved Continuing Education | ** |
| Parent and Children Education | ** |
| Parental Alliance for Choice in Education | ** |
| Plan for Accelerated Exploration | ** |
| Process and Chemical Engineering | ** |
| Positive Attitude Changes Everything | ** |
| Programmed Academic Curriculum Evaluation | ** |
| Personal and Chapter Enrichment | ** |
| Postsecondary Adult and Continuing Education | ** |
| Pan African Control of Epizootics | ** |
| Partnership for the Advancement of Collaborative Engineering | ** |
| physics and chemistry experiments | ** |
| Personal Assessment of College Environment | ** |
| Problems of Access to Care | ** |
| Prelaunch Automatic Checkout Equipment | ** |
| Partnership for Active Community Engagement | ** |
| Prototype Aviation Collaborative Effort | ** |
| cisplatin, adriamycin, cyclophosphamide and etoposide | ** |
| furin/paired basic amino-acid-cleaving enzyme | ** |
| paired basic amino acid cleaving enzyme | ** |
| paired basic amino acid converting enzyme | ** |
| paired dibasic amino acid cleaving enzyme | ** |
| Political Action Council of Educators | ** |
| Professional Airline Career Enhancement | ** |
| Parents as Career Educators | ** |
| People Against Contaminated Environment | ** |
| Programme of Advanced Continuing Education | ** |
| Patrol Airship Concept Evaluation | ** |
| Performing Arts Curriculum Experience | ** |
| Promoting Aphasics Communicative Effectiveness | ** |
| Publicity Association of Central England | ** |
| Philadelphia Automated Communication and Execution | ** |
| Pacific Atlantic Crop Exchange | ** |
| Public administration and electronic commerce in Europe | ** |
| Pan African Census Explorer | ** |
| plasma levels of angiotensin-converting enzyme | ** |
| Print Alliance Credit Exchange | ** |
| Program Airs on Cable | ** |
| Partnership Academic Centers of Excellence | ** |
| Philadelphia Area Council for Excellence | ** |
| Pioneer Arts Center Easthampton | ** |
| plaistow area commerce exchange | ** |
| Prevention Awareness Counselling and Evaluation | ** |
| Paper Allied Chemical Energy | ** |
| Particularly in the Contextof | ** |
| Positive Active Clear and Energetic | ** |
| Promoting Access to Carbon Equity | ** |
| Packaging and Converting Executive | ** |
| Packet of Accelerated Christian Education | ** |
| Pan Asian Council of Employees | ** |
| Programm of Advanced Continuing Education | ** |
| Public Access Cablevision by Elders | ** |
| Purse Application for cross-border use in euro | ** |
| Personnel and Administrative Center | ** |
| Program Afloat for College Education | ** |
| Power Aware Computing Engines | ** |
| Presidential Award for Chapter Excellence | ** |
| Palo Alto Community Eruv | ** |
| Performance and Allocated Capacity for End | ** |
| Personal Alternative Choices in Education | ** |
| Personal Augmented Computing Environment | ** |
| Pacific to Arizona Crustal Experiment | ** |
| Processing and Classification of Enlistees | ** |
| Program in American Culture | ** |
| Palestinian Association for Culture Exchange | ** |
| Pan African Conservation Education | ** |
| Play and Care Entrust | ** |
| Professional Association of Custody Evaluators | ** |
| Program Accelerated College Education | ** |
| Paint and Coating Expo | ** |
| Pensacola Area Commitment to Excellence | ** |
| People Advocating for Change | ** |
| Physician Assessment and Clinical Evaluation | ** |
| Professional Ad Club East | ** |
| Professional Assistant Center for Education | ** |
| Professional Assistants to Chief Executives | ** |
| Program Adult College Education | ** |
| Programs for Awareness in Cultural Education | ** |
| Parents Against Childhood Epilepsy | ** |
| Peforming Arts Creative Enterprise | ** |
| Performance and Cost Evaluation | ** |
| Performing Arts Culture Entertainment | ** |
| Personal and Community Enrichment | ** |
| Petersen Alternative Center for Education | ** |
| Physical Activity and Community Exercise | ** |
| Pollution Abatement Cost and Expenditures | ** |
| Postcard Art Competition and Exhibition | ** |
| Professional Association of China Environment | ** |
| Programme for Asian Cooperation on Energy | ** |
| Performance Appraisal for Colorado Employees | ** |
| Performing Arts Creative Enterprise | ** |
| Pilot Aircraft Courtesy Evaluation | ** |
| Providing Access to Capital for Entrepreneurs | ** |