| 单词 | transition metal |
| 释义 | > as lemmastransition metal transition metal n. Chemistry any of the metallic elements which have partially filled d or (less usually) f orbitals; cf. transition element n. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > transition element > [noun] > groups IIIA-VIIA, VIII and IB transition element1892 transition metal1929 1929 Science 8 Nov. 445/2 Professor Rodebush will describe researches on the magnetic properties of the rare earths and other transition metals. 1970 New Scientist 3 Sept. 457/2 The chemistry of the transition metals..is dominated by their complex compounds. 2012 independent.co.uk (Nexis) 17 Jan. (Letters section) None of these three metals is a rare earth; they are all transition metals. < as lemmas |
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