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Definition of Th
1. Noun. The fifth day of the week; the fourth working day.
2. Noun. 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.
Exact synonyms: Atomic Number 90, Thorium
Generic synonyms: Metal, Metallic Element
Specialized synonyms: Radiothorium, Thorium-228
Substance meronyms: Monazite, Thorite
Derivative terms: Thoriate
Generic synonyms: Metal, Metallic Element
Specialized synonyms: Radiothorium, Thorium-228
Substance meronyms: Monazite, Thorite
Derivative terms: Thoriate
Definition of Th
1. Abbreviation. Thursday. ¹
2. Abbreviation. (biblical) Book of Thessalonians. ¹
¹ Source: wiktionary.com
Medical Definition of Th
1. Symbol for thorium. (05 Mar 2000)
Lexicographical Neighbors of Th
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