Looking for the meaning of the word RADIOTHORIUM in English for both noun and verb forms from the Oxford Dictionary? Below, you can explore all possible meanings and definitions of RADIOTHORIUM with sentence examples. You can also use the “AUDIO PRONUNCIATION” track to check the correct pronunciation in British English.
Word: Radiothorium
Speech Type: Noun
early 20th century; earliest use found in Journal of the Chemical Society
An isotope of thorium (thorium-228) which occurs in small amounts in natural thorium and is formed by the beta decay of actinium-228, and which itself decays by alpha emission with a half-life of 1.9 years; (also) a mixture of radioactive isotopes of thorium, actinium, and radium, present as decay products in natural thorium.
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