thorium
/ˈθɔːɹiəm/
thorium noun: a chemical element (symbol Th) with atomic number 90. A weakly radioactive, malleable, moderately hard silvery metal that tarnishes black when exposed to air.
Noun
thorium (usually uncountable, plural thoriums)
- A chemical element (symbol Th) with atomic number 90. A weakly radioactive, malleable, moderately hard silvery metal that tarnishes black when exposed to air.
- An atom of this element.
thorium meaning in Hindi, Tamil, Marathi and Telugu
thorium in Hindi
- chemical element
- ह्रसातु hrasātu
thorium in Tamil
- chemical element
- தோரியம் tōriyam
thorium in Marathi
- chemical element
- थोरियम thoriyam
thorium in Telugu
- thorium
- థోరియము thōriyamu
More languagesFewer languages
- thorium in Arabic
- ثُورِيُوم ṯūriyūm
- thorium in Malay
- torium
- thorium in Thai
- ทอเรียม tɔɔ-rîiam
- thorium in Vietnamese
- thori
Synonyms of thorium
Forms of thorium
| plural | thoriums |
|---|
Origin of thorium
From Thor + -ium.
Words formed from thorium
- althupite
- dithorium
- eka-thorium
- mesothorium
- nonthorium
- organothorium
- radiothorium
- thorate
- thoria
- thorian
- thoriate
- thoriated
- thoric
- thoriferous
- 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
- trithorium
- uranium-thorium dating
Words that rhyme with thorium
Questions about thorium
- What does thorium mean?
- Thorium means a chemical element (symbol Th) with atomic number 90. A weakly radioactive, malleable, moderately hard silvery metal that tarnishes black when exposed to air.
- What is thorium in Hindi?
- Thorium in Hindi is ह्रसातु (hrasātu). See Thorium meaning in Hindi.
- What part of speech is thorium?
- Thorium is a noun.
- How do you pronounce thorium?
- Thorium is pronounced /ˈθɔːɹiəm/.
- What is the plural of thorium?
- The plural of thorium is thoriums.
Words near thorium in the dictionary
Source and license
Adapted from Wiktionary: thorium (page history and authors); థోరియము (Telugu) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vininn126-thorium.wav, LL-Q1860 (eng)-Tesco250-thorium.wav.
Cite this entry: “thorium.” Word.ws, https://word.ws/thorium. Based on Wiktionary, CC BY-SA 4.0.