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单词 alunogen
释义

alunogen

noun

alu·​no·​gen
əˈlünəjən
plural -s
: a mineral consisting of a white fibrous aluminum sulfate Al2(SO4)3·18H2O frequently found on the walls of mines and quarries

called also feather alum, hair salt

Word History

Etymology

French alunogène, from alun + -gène -gen

First Known Use

1834, in the meaning defined above

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更新时间:2024/12/24 10:52:13