t

(noun) a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine. Synonyms: thymine, T.

(noun) one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose). Synonyms: deoxythymidine monophosphate, T.

(noun) a unit of weight equivalent to 1000 kilograms. Synonyms: metric ton, MT, tonne.

(noun) the 20th letter of the Roman alphabet. Synonyms: T.

(noun) 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. Synonyms: triiodothyronine, liothyronine, T.

(noun) hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells. Synonyms: thyroxine, thyroxin, tetraiodothyronine, T. Example: "Thyroxine is 65% iodine."