English Explanatory Dictionary

thorium

English dictionary entry

Meanings

noun
  1. A chemical element (symbol Th) with atomic number 90. A weakly radioactive, malleable, moderately hard silvery metal that tarnishes black when exposed to air.

Pronunciation

thôr'ēəm /ˈθɔːɹiəm/ LL-Q1860 (eng)-Vininn126-thorium.wav LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-thorium.wav

Word forms

thorium thoriums

Etymology

From Thor + -ium.

Synonyms

thorinum

Related words

Thor thorite thorotrast

Derived words

eka-thorium thorate thoria thorian thoriate thoriated thoric thorinic thorium-228 thorium-230 dating thorium chloride thorium dioxide thorium emanation thorium lead thorium nitrate thorium oxide thorium series thorium sulfate thorium sulphate thoron uranium-thorium dating
This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
Back to search All on T Russian dictionary Dahl dictionary