actinium
/ækˈtɪniəm/
actinium noun: a radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.
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Noun
actinium (usually uncountable, plural actiniums)
- A radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.
actinium meaning in Hindi, Tamil, Urdu and Malayalam
actinium in Hindi
- chemical element
- एक्टिनियम ekṭiniyam, एजातु ejātu
actinium in Tamil
- chemical element
- அக்டினியம் akṭiṉiyam
actinium in Urdu
- chemical element
- عیکٹنیئم
actinium in Malayalam
- ആക്റ്റിനിയം എന്ന മൂലകം
More languagesFewer languages
- actinium in Sanskrit
- एजातु ejātu
- actinium in Arabic
- أَكْتِينِيُوم ʔaktīniyūm
- actinium in Malay
- aktinium
- actinium in Persian
- اکتینیم aktiniyom
- actinium in Thai
- แอกทิเนียม ɛ́k-tí-nîiam
- actinium in Vietnamese
- actini
- actinium in Myanmar
- အက်တီနီယမ် aktiniyam
Forms of actinium
| plural | actiniums |
|---|
Origin of actinium
Borrowed from French actinium. actin- + -ium.
Words formed from actinium
- actinate
- actinide
- actiniferous
- actinium A
- actinium B
- actinium C
- actinium emanation
- actinium fluoride
- actinium-K
- actinium series
- eka-actinium
- protactinium
- radioactinium
Phrases with actinium
Questions about actinium
- What does actinium mean?
- Actinium means a radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.
- What is actinium in Hindi?
- Actinium in Hindi is एक्टिनियम (ekṭiniyam), एजातु (ejātu). See Actinium meaning in Hindi.
- What part of speech is actinium?
- Actinium is a noun.
- How do you pronounce actinium?
- Actinium is pronounced /ækˈtɪniəm/.
- What is the plural of actinium?
- The plural of actinium is actiniums.
Words near actinium in the dictionary
Source and license
Adapted from Wiktionary: actinium (page history and authors); actinium (Malayalam Wiktionary) (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)-Vealhurl-actinium.wav, LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-actinium.wav.
Cite this entry: “actinium.” Word.ws, https://word.ws/actinium. Based on Wiktionary, CC BY-SA 4.0.