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单词 Canada balsam
释义

Canada balsam

noun

Can·​a·​da balsam ˈka-nə-də- How to pronounce Canada balsam (audio)
: a viscid yellowish to greenish oleoresin exudate of the balsam fir (Abies balsamea) that solidifies to a transparent mass and is used as a transparent cement especially in microscopy

Word History

Etymology

Canada, country in North America

First Known Use

1754, in the meaning defined above

Medical Definition

Canada balsam

noun

ˌkan-əd-ə- How to pronounce Canada balsam (audio)
: an oleoresin exuded by the balsam fir and used as a transparent cement especially in microscopy for mounting specimens and in optical instruments

called also Canada turpentine

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更新时间:2024/11/10 23:59:57