Thorium

Definition of Thorium

Tho´ri`um
n.1.(Chem.) A metallic element found in certain rare minerals, as thorite, pyrochlore, monazite, etc., and isolated as an infusible gray metallic powder which burns in the air and forms thoria; - formerly called also thorinum. Symbol Th. Atomic weight 232.0.

Related Words

atomic number 90, metal, metallic element, monazite, radiothorium, Th, thoriate, thorite, thorium-228
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Thomsonian
Thomsonianism
Thomsonite
Thong
Thong seal
Thooid
Thor
Thoracentesis
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Thoracic duct
Thoracica
Thoracometer
Thoracoplasty
Thoracostraca
Thoracotomy
Thoral
Thorax
Thoria
Thoric
Thorite
-Thorium-
Thorn
Thorn apple
Thorn broom
Thorn devil
Thorn hedge
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Thorn-headed worm
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Thornbird
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thornhead
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Thorny rest-harrow
Thorny trefoil
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