English dictionary
promethium meaning and definition
Definition and meaning of promethium at MeaningMonkey.org. promethium meaning and definition in the English Dictionary.PROMETHIUM noun
Definition of promethium (noun)
- 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
- synonyms: atomic number 61, Pm
Source: Princeton University Wordnet