noun (n)

• a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine(noun.substance)

  Synonym:
  thymine
  

  source: wordnet30
• one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)(noun.substance)

  Synonym:
  a, c, deoxyadenosine monophosphate, deoxycytidine monophosphate, deoxyguanosine monophosphate, deoxythymidine monophosphate, g
  

  source: wordnet30
• a unit of weight equivalent to 1000 kilograms(noun.quantity)

  Synonym:
  metric ton, mt, tonne
  

  source: wordnet30
• the 20th letter of the Roman alphabet(noun.communication)

  source: wordnet30
• 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(noun.body)

  Synonym:
  liothyronine, triiodothyronine
  

  source: wordnet30
• hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells(noun.body)

  Example:
  Thyroxine is 65% iodine.
  

  Synonym:
  tetraiodothyronine, thyroxin, thyroxine
  

  source: wordnet30