"t" noun a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine [syn: thymine (http://word.sc/thymine)] one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) [syn: deoxythymidine monophosphate (http://word.sc/deoxythymidine monophosphate)] a unit of weight equivalent to 1000 kilograms [syn: metric ton (http://word.sc/metric ton), MT (http://word.sc/MT), tonne (http://word.sc/tonne)] a unit of information equal to a trillion (1,099,511,627,776) bytes or 1024 gigabytes [syn: terabyte (http://word.sc/terabyte), TB (http://word.sc/TB)] the 20th letter of the Roman alphabet 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 (http://word.sc/triiodothyronine), liothyronine (http://word.sc/liothyronine)] hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells; "thyroxine is 65% iodine" [syn: thyroxine (http://word.sc/thyroxine), thyroxin (http://word.sc/thyroxin), tetraiodothyronine (http://word.sc/tetraiodothyronine)] Source: http://www.word.sc/t

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