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thorium /tho·ri·um/ (thor´e-um) chemical element, at. no. 90, symbol Th.

tho·ri·um (thôr

n. Symbol Th¹

A radioactive metallic element that is used in magnesium alloys; its longest-lived isotope, Th 232, has a half-life of 1.41 × 10¹⁰ years. Atomic number 90.

thorium (Th)

[thôr′ē·əm]

Etymology: ONorse, Thor, god of thunder

a heavy grayish radioactive metallic element. Its atomic number is 90, and its atomic mass (weight) is 232.04. Thorium is used in nuclear medicine and in radiation therapy.

thorium [thor´e-um]

a chemical element, atomic number 90, atomic weight 232.038, symbol Th. (See Appendix 6.)

thorium

a chemical element, atomic number 90, atomic weight 232.038, symbol Th. See Table 6. Formerly used as a radiographic contrast medium.

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Beta radiation CT gamma radiation liver cancer myelofibrosis radiation radioactive element Th			Thoric Cederstrom, Counterpart's VP of Food Security and Sustainable Agriculture. Medicine for the poor by Caribbean Update			thoracogastroschisis thoracolumbar thoracolumbar fascia thoracolumbar junction thoracolumbar outflow thoracolumbosacral orthosis thoracolysis thoracomelus thoracometer thoracomyodynia thoracopagus thoracopathy thoracoplasty thoracoschisis thoracoscope thoracoscopy thoracostenosis thoracostomy thoracostomy tube thoracotomy Thoraeus filters Thoratec system thorax Thorazine Thorburn position thoric thorium thorn apple thorn sign Thorn test thorn-headed worm Thorndike thorny-headed worm Thoroughbred thoroughbred speculum thoroughfare channel thoroughpin Those Close to the Patient thought thought broadcasting thought disorder thought insertion Thought leader thought transference thought withdrawal Thousand Yard Stare THP Thr thread iris Thread-and-Streak Sign threadleaf groundsel			Thoreau Thoreau Institute Thoreau Middle School Thoreau Unitarian Universalist Congregation Thoreau, Henry David Thoreau, Henry David Thoreau, Henry David thoreaulite Thoreauvian Thoreauvian Thorel's bundle Thorel's bundle Thorel's bundle Thorel's bundle Thorel's bundle Thorenburg Thorez, Maurice Thorez-Vermeersch, Jeannette Thorfinn Karlsefni Thorfinn Karlsefni Thorfinnr Thordarson Thorfinnr Thordarson thoria thoria thorianite thorianite thoriate thoriated thoriated emitter thoriated tungsten filament thoric Thorictidae Thorina Thorina thorite thorite thorium thorium thorium thorium thorium thorium anhydride Thorium Breeder Reactor thorium carbide thorium chloride Thorium compounds Thorium compounds Thorium compounds thorium dioxide thorium dioxide thorium fluoride Thorium Fuel Cycle Technology Thorium Fueled Molten Salt Reactor Thorium Hochtemperatur Reaktor Thorium Molten Salt Reactor thorium nitrate Thorium Ore Thorium orthosilicate Thorium orthosilicate thorium oxalate Thorium oxide

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thorium (redirected from thoric)

thorium
(redirected from thoric)