| t |
| A | noun |
| 1 | thyroxine, thyroxin, tetraiodothyronine, T
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| | | hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells; "thyroxine is 65% iodine" |
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| 2 | triiodothyronine, liothyronine, T
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| | | 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 |
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| 3 | T
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| | | the 20th letter of the Roman alphabet |
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| 4 | terabyte, T, TB
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| | | a unit of information equal to a trillion (1,099,511,627,776) bytes or 1024 gigabytes |
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| 5 | metric ton, MT, tonne, t
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| | | a unit of weight equivalent to 1000 kilograms |
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| 6 | deoxythymidine monophosphate, T
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| | | one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) |
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| 7 | thymine, T
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| | | a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine |
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