

Unrestricted Digital Information


Unidentified Drunken Injury


Unilateral Declaration of Independence


Urban Development Institute


Utility Data Institute

Mexican Unidades De Inversion Udi

Unapproved Data Item

unexpected death in infancy

Unified Display Interface

Uniform Driver Interface

unique data item

Unique Delivery Identifier

UNITED DOMINION INDUSTRIES LTD.

Universal Debug Interface

Universal Digital Indicator

Universal Document Identifier

Urogenital Distress Inventory

User Defined Interface

Universal Declaration of Independence