Definition of Ionium
1. Noun. (physics dated) A supposed decomposition-product of actinium once thought to be the source of radium ¹
¹ Source: wiktionary.com
Definition of Ionium
1. an isotope of thorium [n -S]
Medical Definition of Ionium
1. Former term for thorium-230. Origin: G. Ion, going (05 Mar 2000)
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Lexicographical Neighbors of Ionium
Literary usage of Ionium
Below you will find example usage of this term as found in modern and/or classical literature:
1. Radioactive substances and their radiations by Ernest Rutherford (1913)
"URANIUM, ionium AND THE ORIGIN OF RADIUM. 169. Uranium and its products. ... On this scheme, both ionium and radium are to be considered as products of ..."
2. Recent Advances in Physical and Inorganic Chemistry by Alfred Walter Stewart (1912)
"ionium This body was discovered by Boltwood,6 who at first mistook it for actinium. The uranium ore carnotite is the source from 1 Elster and ..."
3. The Chemistry of the Radio-elements by Frederick Soddy (1911)
"Such an alteration of concentration could be readily detected, if it occurred, even with the infinitesimal amounts of ionium used, because of the intense ..."
4. The Chemistry of the Radio-elements by Frederick Soddy (1911)
"Thorium and ionium form a pair of non-separable elements. Radio- thorium, certainly, and, according to some authorities, ..."
5. A New Era in Chemistry: Some of the More Important Developments in General by Harry Clary Jones (1913)
"ionium. — Boltwood has isolated one such intermediate product, which, from its ionizing power, he terms ionium. The existence of this intermediate product ..."
6. Journal of the American Chemical Society by American Chemical Society (1915)
"in this way, no ionium was found. Likewise the filtrates from the hydrochloric and nitric acid extractions showed but very little more activity than could ..."
7. The Classical Gazetteer: A Dictionary of Ancient Geography, Sacred and Profane by William Hazlitt (1851)
"... I. a town of Acarnania, on ionium mare, opposite Ithaca ins. ... an island of the ionium mare, bet. the NB extremity of ..."