释义 |
transition metal tranˈsition ˌmetal noun [C] (ALSO tranˈsition ˌelement) specialized ► F0 any of a group of metal chemical elements including copper and gold that show more than one valency (= the number of hydrogen atoms that can combine with one of its atoms to form a compound)Thesaurus+: ↑Chemical elementsThesaurus+: ↑Metals and metalworking , ↑Chemical elements |