释义 |
Definition of ruthenium in English: rutheniumnoun rʊˈθiːnɪəmruˈθiniəm mass nounThe chemical element of atomic number 44, a hard silvery-white metal of the transition series. Example sentencesExamples - To this group belong the important steel alloying elements nickel and manganese, as well as cobalt and the inert metals ruthenium, rhodium, palladium, osmium, iridium and platinum.
- It is also classified with a group of similar metals, including ruthenium, rhodium, palladium, osmium, and iridium, with similar properties.
- Along with ruthenium, rhodium, osmium, iridium, and platinum, it belongs to the platinum group of metals.
- That porous layer, which contains stabilized zirconia and small amounts of the metals ruthenium and cerium, chemically and cleanly converts the fuel to hydrogen.
- Zirconium, palladium, and ruthenium make up a metal that repairs itself.
Origin Mid 19th century: modern Latin, from medieval Latin Ruthenia (see Ruthenia), so named because it was discovered in ores from the Urals. Rhymes helenium, proscenium, rhenium, selenium Definition of ruthenium in US English: rutheniumnounro͞oˈTHēnēəmruˈθiniəm The chemical element of atomic number 44, a hard silvery-white metal of the transition series. Example sentencesExamples - To this group belong the important steel alloying elements nickel and manganese, as well as cobalt and the inert metals ruthenium, rhodium, palladium, osmium, iridium and platinum.
- Zirconium, palladium, and ruthenium make up a metal that repairs itself.
- It is also classified with a group of similar metals, including ruthenium, rhodium, palladium, osmium, and iridium, with similar properties.
- Along with ruthenium, rhodium, osmium, iridium, and platinum, it belongs to the platinum group of metals.
- That porous layer, which contains stabilized zirconia and small amounts of the metals ruthenium and cerium, chemically and cleanly converts the fuel to hydrogen.
Origin Mid 19th century: modern Latin, from medieval Latin Ruthenia (see Ruthenia), so named because it was discovered in ores from the Urals. |