t

t (http://definr.com/t)

     n 1: a unit of weight equivalent to 1000 kilograms [syn: {metric
          ton}, MT, tonne]
     2: a unit of information equal to one trillion
        (1,000,000,000,000) bytes [syn: terabyte, Terabyte, T,
         Tb, TB]
     3: the 20th letter of the Roman alphabet [syn: T]
     4: thyroid hormone similar to thyroxine but with one less
        iodine atom per molecule and produced in smaller quantity;
        exerts the same biological effects as thyroxine but is
        more potent and briefer [syn: triiodothyronine, liothyronine,
         T]
     5: hormone produced by the thyroid glands to regulate
        metabolism by controlling the rate of oxidation in cells;
        "thyroxine is 65% iodine" [syn: thyroxine, thyroxin, tetraiodothyronine,
         T]