actinium

名词 n.
中文释义
发音 ăktĭn'ēəm

英文释义

名词 n.
  1. A radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores. uncountable,usually

词形变化

actiniums plural

词源

Borrowed from French actinium. actin- + -ium.
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