U

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AcronymDefinition
UUniversity
UYou
UUpper
UUnderlined
UUnsatisfactory
UUnd (German: And)
UUnited
UUltra
UUniversal
UUpper Class
UWind Speed
UUpdate(d) (action code)
UUsed
UUtility
UUncle
UUnlimited Time (broadcasting operating schedules)
UUrgent
UUmbrella
UUnit
USunday (one letter abbreviation for day of week)
UUnified
UUtah (ammunition headstamp)
UUtility (US military aircraft designation; as in U-6 Beaver)
UKosher (from Union of Orthodox Hebrew Congregations)
UUranium
UUniform (aviation letter code)
UUnclassified
UUnitary (mathematics)
UUmpire
UAtomic Unit (measure of mass)
UUracil
UUncleared
UUnsymmetrical
UUmdrehungen (German: RPM)
UUnterseeboot (German: submarine)
UUnion Metallic Cartridge Co (division of Remington Arms; used on head stamp of .22 cartridges)
UEnvelope or Letter Sheet (Scott Catalogue prefix; philately)
UUnit of measurement for rackmount equipment (U is 1.75in or 4.44cm)
UUnknown Wind Intensity (weather reports)
UUS DoT tire speed rating (124 mph)
References in classic literature ?
It had never been given me to see such deadly accuracy of aim, and it seemed as though a little figure on one of the craft dropped at the explosion of each bullet, while the banners and upper works dissolved in spurts of flame as the irresistible projectiles of our warriors mowed through them.
It is from the top of this cone that the second pipe issues, and it runs, as I have said, into the upper beds of the balloon.
But nobody ever sang by moonlight on the upper deck, and the congregational singing at church and prayers was not of a superior order of architecture.
At the bottom the masonry rested upon a massive block measuring thirty feet in thickness, while on the upper portion it was level with the surrounding soil.
But to let my reader into a secret, this knowledge of upper life, though very necessary for preventing mistakes, is no very great resource to a writer whose province is comedy, or that kind of novels which, like this I am writing, is of the comic class.
The shells, higher up on this terrace could be traced scaling off in flakes, and falling into an impalpable powder; and on an upper terrace, at the height of 170 feet, and likewise at some considerably higher points, I found a layer of saline powder of exactly similar appearance, and lying in the same relative position.
They also took some dozen of Nile ducks, a wild bird of high flavour, its throat and upper part of the head white with black spots.
Issuing from the upper part of the valley, Captain Bonneville continued to the east-northeast, across rough and lofty ridges, and deep rocky defiles, extremely fatiguing both to man and horse.
For a few minutes we continued rapidly up the steep grade, which I hoped would soon bring us quickly to the upper pits that let into the Temple of Issus.
Philip was now more comfortable, for space was so limited that there were only studies for boys in the upper school, and till then he had lived in the great hall in which they all ate and in which the lower forms did preparation in a promiscuity which was vaguely distasteful to him.
Still with unbounded faith in his hunch that a strike was coming in the Upper Country, his plan was to get together a party of four or five, and, if that was impossible, at least a partner, and to pole back up the river before the freeze-up to do winter prospecting.
At half-past eight,' she said, 'at exactly half-past eight you may be watching the middle upper window of the top floor.