hydrotalcite

noun

hy·​dro·​tal·​cite

plural -s

: a pearly-white mineral Mg₆Al₂(OH)₁₆(CO₃).4H₂O consisting of hydrous aluminum and magnesium hydroxide and carbonate

Word History

Etymology

German hydrotalkit, from hydr- + talk talc (probably from Middle French talc) + German -it -ite

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