Uun

UUN, Uun, or uun can refer to: Urine urea nitrogen, a medical test that measures urea in urine Another name for darmstadtium, a transactinide chemical element Baruun-Urt Airport, an airport located in Baruun-Urt, Mongolia, by IATA code Pazeh language, an extinct language formerly spoken in Taiwan, by ISO 639 code "Universal User Name"; see List of computing and IT abbreviations