Definition of promethiums Promethiums
We found 1 definitions of promethiums from 1 different sources.
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What does promethiums mean?
Part of speech
🔤- promethiums, noun, plural of promethium.
WordNet
NounPlural: promethiums |
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| promethium - a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium | ||
| Pm, atomic number 61 | ||
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Wiktionary 
- promethium (Noun)
A metallic chemical element symbol Pm with an atomic number of 61.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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promethium
Chemical element with symbol Pm and atomic number 61, silvery white radioactive lanthanide.
Wikipedia 
- Promethium is a chemical element that has the symbol Pm on the periodic table. It has the atomic number 61 which means it has 61 protons in its atom.
Part of speech
🔤- promethium, noun, singular of promethiums.
