actinide

名词 n.
中文释义
发音 ăk'tĭnīd

英文释义

名词 n.
  1. Any of the 15 radioactive elements of the periodic table from actinium to lawrencium that are positioned under the lanthanides, to which they have similar chemistry.
  2. Any of the 14 elements from actinium to nobelium (lawrencium is excluded by some authors as it is a d-block rather than an f-block element).
  3. Any of the 14 elements from thorium to lawrencium (actinium having been mistakenly excluded because it was thought to be a d-block element in the past). dated

词形变化

actinides plural

词汇关系

衍生词
actinidic nonactinide organoactinide radioactinide superactinide transactinide
相关词
actinium thorium protactinium uranium neptunium plutonium americium curium berkelium californium einsteinium fermium mendelevium nobelium lawrencium

词源

From actin- + -ide.
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