plutonium
/pluːˈtoʊniəm/
plutonium noun: the transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray fissile radioactive actinide metal that tarnishes when exposed to air. Also the alternative form of ploutonion.
Noun
plutonium (usually uncountable, plural plutoniums)
- The transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray fissile radioactive actinide metal that tarnishes when exposed to air.
- Plutonium? You mean this sucker's nuclear?1985, Robert Zemeckis, Bob Gale, Back to the Future, spoken by Marty McFly
- The Samson Option states that Moshe Dayan gave the go-ahead for starting weapon production in early 1968, putting the plutonium separation plant into full operation.2009 June 7, Filipe, CNN, archived from the original on 01 Feb 2023
- An atom of this element.
Also used as
plutonium is also the alternative form of ploutonion.
plutonium meaning in Hindi, Tamil, Urdu and Bengali
plutonium in Hindi
- chemical element
- प्लूटोनियम plūṭoniyam
plutonium in Tamil
- chemical element
- புலூட்டோனியம் pulūṭṭōṉiyam
plutonium in Urdu
- chemical element
- پلوٹونیئم plūṭoniyam
plutonium in Bengali
- chemical element
- প্লুটোনিয়াম pluṭōniẏam
More languagesFewer languages
- plutonium in Telugu
- ప్లూటోనియమ్ plūṭōniyam
- plutonium in Kannada
- ಪ್ಲೂತೋನಿಯಮ್ plūtōniyam
- plutonium in Tagalog
- plutonyo
- plutonium in Arabic
- بُلُوتُونِيُوم bulūtūniyūm
- plutonium in Malay
- plutonium
- plutonium in Persian
- پلوتونیوم plutoniom
- plutonium in Thai
- พลูโทเนียม pluu-too-nîiam
- plutonium in Vietnamese
- plutoni
- plutonium in Myanmar
- ပလူတိုနီယမ် pa.lutuiniyam
Forms of plutonium
| plural | plutoniums |
|---|
Origin of plutonium
After Pluto (dwarf planet) + -n- + -ium. More in Wikipedia at plutonium § History.
Words formed from plutonium
- diplutonium
- nonplutonium
- organoplutonium
- plutonate
- plutoniferous
- plutonium-239
- plutonium bomb
- plutonium dioxide
- plutonium enrichment
- plutonium hydride
- plutonium pit
- plutonyl
- reactor-grade plutonium
- transplutonium
- weapon-grade plutonium
Phrases with plutonium
Words that rhyme with plutonium
- pandemonium
- harmonium
- meconium
- onium
- polonium
- stramonium
- -curonium
- balonium
- decamethonium
- diazonium
- euphonium
- fandemonium
15 more rhymesFewer rhymes
Questions about plutonium
- What does plutonium mean?
- Plutonium means the transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray fissile radioactive actinide metal that tarnishes when exposed to air.
- What is plutonium in Hindi?
- Plutonium in Hindi is प्लूटोनियम (plūṭoniyam). See Plutonium meaning in Hindi.
- What part of speech is plutonium?
- Plutonium is a noun.
- How do you pronounce plutonium?
- Plutonium is pronounced /pluːˈtoʊniəm/.
- What is the plural of plutonium?
- The plural of plutonium is plutoniums.
Words near plutonium in the dictionary
Source and license
Adapted from Wiktionary: plutonium (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)-Naomi Persephone Amethyst (NaomiAmethyst)-plutonium.wav, LL-Q1860 (eng)-Tesco250-plutonium.wav.
Cite this entry: “plutonium.” Word.ws, https://word.ws/plutonium. Based on Wiktionary, CC BY-SA 4.0.