(originally, now historical) any of the nine metallic elements forming group VIII of Mendeleev's periodic table; (now) any of a large class of…
单词 | θ68923 |
释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > transition element > [noun] > groups IIIA-VIIA, VIII and IB (2) transition element1892 (originally, now historical) any of the nine metallic elements forming group VIII of Mendeleev's periodic table; (now) any of a large class of… transition metal1929 any of the metallic elements which have partially filled d or (less usually) f orbitals; cf. transition element n. |
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