The 21st letter of the English alphabet, a vowel,found in words such as Utopia, United, Ubiquity, or Unstoppable.*Internal energy: The total kinetic and potential energy associated with the motions and relative positions of the molecules of an object, excluding the kinetic or potential energy of the object as a whole. An increase in internal energy results in a rise in temperature or a change in phase.*A Burmese title of respect applicable to a man: used before the proper name.*Uranium: a white, lustrous, radioactive, metallic element, occurring in pitchblende, and having compounds that are used in photography and in coloring glass. The 235 isotope is used in atomic and hydrogen bombs and as a fuel in nuclear reactors. Symbol: U; atomic weight: 238.03; atomic number: 92; specific gravity:19.07.*The 21st in a series.*British. a designation for motion pictures determined as being acceptable for viewing by all age groups. But also: A grade that indicates an unsatisfactory status.*A base containing nitrogen that is found in RNA (but not in DNA)and derived from pyrimidine; pairs with adenine.*A turn, in the shape of the letter U, made by a motorist etc in order to reverse his direction.*Any spoken sound represented by the letter U or u, as in music, rule, curious, put, or utopia. |
![[U]NITED](http://unitedwarriors.ucoz.com/ulogo.gif){kind=small}
![[U] CLAN MOD PACK I](http://entertheshadows.free.fr/unitedwarriors/Uclanmodpack1.jpg "[U]69's official [U] mod pack")
