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单词 planchet
释义

planchet

noun

plan·​chet ˈplan-chət How to pronounce planchet (audio)
1
: a metal disk to be stamped as a coin
2
: a small metal or plastic disk

Word History

Etymology

diminutive of planch flat plate, from Middle French planche

First Known Use

1611, in the meaning defined at sense 1

Medical Definition

planchet

noun

plan·​chet ˈplan-chət How to pronounce planchet (audio)
: a small metal disk or plate on which a sample of radioactive material is placed (as for quantitative determination of its activity)
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更新时间:2024/12/23 15:11:34