Noun(1) a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
(1) The concentrations of iron and thorium , for instance, have proved useful in distinguishing rock types from one another and in monitoring geochemical processes.(2) Deep within Earth, some diamonds come into contact with radioactive materials, such as thorium or uranium, that can impart a unique signature known as a radiation halo.(3) The analysis shows that manganese, titanium, hafnium, thorium , phosphorus, and the rare-earth elements play a significant role in discriminating between zircons of various origins.(4) In addition to primeval heat, Earth's core also gets heat from radioactive decay of uranium, thorium , and potassium.(5) All natural rocks contain small amounts of uranium and thorium , which are radioactive and remain so for billions of years.
1. thorium ::
English to Welsh Dictionary: thorium
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What thorium means in Welsh, thorium meaning in Welsh, thorium definition, examples and pronunciation of thorium in Welsh language.