lanthanide

名词 n.
中文释义
发音 lăn'thənīd

英文释义

名词 n.
  1. Any of the 15 rare earth elements from lanthanum to lutetium in the periodic table; because their outermost orbitals are not filled, they have very similar chemistry; below them are the actinides.
  2. Any of the 14 rare earth elements from lanthanum to ytterbium (lutetium is excluded by some authors as it is a d-block rather than an f-block element).
  3. Any of the 14 rare earth elements from cerium to lutetium (lanthanum having been excluded because it was thought to be a d-block element in the past). dated

词形变化

lanthanides plural

词汇关系

近义词
lanthanate lanthanoid lanthanon rare-earth element
衍生词
lanthanide contraction lanthanide series nonlanthanide radiolanthanide
相关词
lanthanum cerium praseodymium neodymium promethium samarium europium gadolinium terbium dysprosium holmium erbium thulium ytterbium lutetium

词源

Etymology tree
English lanthanium
Proto-Indo-European *dʰeh₁-der.
Proto-Italic *-iðos
Latin -idusder.
English -ide
English lanthanide
From lanthanium + -ide.
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