sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Intellectual Property Office Singapore | ***** |
| Individual Programme of Study | **** |
| Intensive Program on SustainAbility | *** |
| Image Processing Operating System | *** |
| IP Office of Singapore | *** |
| Internet Provider Online Service | *** |
| intestinal pseudo-obstruction syndrome | ** |
| Institute for Polymers and Organic Solids | ** |
| Intellectual Property of Singapore | ** |
| Institutional Participation and Oversight Service | ** |
| International Pediatric Orthopedic Symposium | ** |
| Input Processing Output and Storage | ** |
| In Place of Standard | ** |
| International Psychosocial Oncology Society | ** |
| International Peace Operations Seminar | * |
| Internet Point of Sales | * |
| Intellectual Property Organization of Singapore | * |