atomic_number_61 (HyperDic hyper-dictionary)

English > 1 sense of the expression *atomic number 61*:
NOUN	substance	atomic number 61, promethium, Pm	a soft silvery metallic element of the rare earth group having no stable isotope

English > *atomic number 61*: 1 sense > noun 1, substance
Meaning	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	promethium, Pm
Broader	metallic element, metal	Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Spanish	número atómico 61, promecio, prometio
Catalan	prometi

HyperDic: atomic_number_61