– definition :

  • (noun)
    1. hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells (context:body)
    2. 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 (context:body)
    3. the 20th letter of the Roman alphabet (context:communication)
    4. a unit of weight equivalent to 1000 kilograms (context:quantity)
    5. one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) (context:substance)
    6. a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine (context:substance)

– Sample : “t”

  • thyroxine is 65% iodine