U has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of U in Scientific & Educational.
A code meaning "information not available. An unidentified target. An aircraft or ship that has not been determined to be hostile, friendly, or neutral using identification friend or foe and other techniques, but that must be tracked by air defense or naval engagement systems.
Scientific & EducationalA white malleable metal which is softer than steel. Its specific gravity is 18.7, it melts at a temperature of 2,400°C. Symbol:"U" Atomic Number:"92" Atomic Mass: 238.03amu. Uranium is one of the elements in the actinide series of inner transition elements. It may also be classified as a rare earth element. A very radioactive metal that can be found in nuclear facilities, weapons, and submarines.
Scientific & EducationalUridine is a glycosylated pyrimidine-analog containing uracil attached to a ribose ring via a β-N1-glycosidic bond.
Scientific & Educationalone millionth of a unit (e.g., microsievert is 10-6 Sv).
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