English noun: atomic number 58 | |||
1. | atomic number 58 (substance) a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group | ||
Synonyms | Ce, cerium | ||
Broader (hypernym) | metal, metallic element | ||
Substance meronym | bastnaesite, bastnasite, gadolinite, monazite, ytterbite | ||