(military, US) Unit Identification Code / (railways) International Union of Railways – from Union Internationale des Chemins de fer

University of Illinois at Chicago

(South Africa) A foreigner; outlander.

(computing) Initialism of unique instrument interface document.

plural of Uighur

(mineralogy) A variety of chlorastrolite found on the island of Skye.

plural of uintahite

gilsonite

plural of uintaite

gilsonite