Abbreviations that start with the letter: U (8,223 entries)

		U	Uninterpretable	Academic & Science » Physics
		U	Unit	Governmental » Military
		U	Unit(s)	Medical » Physiology
		U	United	Community » Sports
		U	Units	Miscellaneous » Unit Measures
		U	Unity	Community » Religion
		U	Universal	Community » Film Censorship
		U	Universal Pictures	Community » Media
		U	University	Academic & Science » Universities
		U	Unknown	Governmental » Military
		U	Unlicensed	Governmental » Transportation
		U	Unlimited	Business » General
		U	Unlocked	Computing » Security
		U	Unlucky	Community » Law
		U	Unmodified	Governmental » Military
		U	Unofficial	Community » Sports
		U	Unplasticised	Miscellaneous » Plastics
		U	Unredacted	Community » Law
		U	Unreliable	Governmental » Military
		U	Unsatisfactory	Academic & Science » Universities
		U	Unsigned	Governmental » US Government
		U	Unterseeboot	Governmental » Military
		U	Unwind tape	Computing » Hardware
		U	Up	Computing » Assembly
		U	Upbuilding	Miscellaneous
		U	Update	Computing » General
		U	Uphill	Governmental » Military
		U	Upper	Governmental » State & Local
		U	Upsilon	Academic & Science » Mathematics
		U	Uranium	Academic & Science » Chemistry
		U	Urban	Community
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