Noun

• S: (n) thymine, T (a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine)
• S: (n) deoxythymidine monophosphate, T (one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose))
• S: (n) metric ton, MT, tonne, t (a unit of weight equivalent to 1000 kilograms)
• S: (n) T, t (the 20th letter of the Roman alphabet)
• S: (n) triiodothyronine, liothyronine, T (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)
• S: (n) thyroxine, thyroxin, tetraiodothyronine, T (hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells) "thyroxine is 65% iodine"