sort by Rank | Alpha
| Possible Meanings | Rank |
| Academy of Urban Learning | **** |
| Associate University Librarian | **** |
| Athletic Union League | *** |
| Arctic Umiaq Line | *** |
| Average Unit Load | *** |
| Amlin Underwriting Limited | *** |
| Activity and Use Limitations | *** |
| acute unclassifiable leukaemia | ** |
| acute unclassified leukemias | ** |
| acute undifferentiated leukaemia | ** |
| acute urinary lithiasis | ** |
| and undifferentiated leukemia | ** |
| anterior upper lobe | ** |
| application using lint | ** |
| Associate University Librarians | ** |
| Acute unclassified/undifferentiated leukemia | ** |
| and 4 undifferentiated leukemia | ** |
| T-ALL, 10%; undifferentiated leukemia | ** |
| Apex Unimarine Ltd | ** |
| Agency Underwriting Limited | ** |
| called undifferentiated leukaemia | ** |
| American Underwater Lighting | ** |
| And University Librarian | ** |
| Aquinas University of Legaspi | ** |
| Aberdeen University Library | ** |
| Acute Unclassified Leukemia | ** |
| Assistant University Librarians | ** |
| Atlanta Urban League | * |
| Authorized Users List | * |
| Above Upper Limit | * |
| Acute Unclassifiable Leukemia | * |
| Acute Undifferentiated Leukemias | * |
| Artic Umiaq Line | * |
| Arcosanti an Urban Laboratory | * |
| allowable utilization level | * |
| American Universities Listings | * |
| Austin Users List | * |