英语词汇“protactinium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

protactinium

释义

Noun: protactinium `prowtak'tineeum

A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
- protoactinium, Pa, atomic number 91

Derived forms: protactiniums

Type of: metal, metallic element

Encyclopedia: Protactinium

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