(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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