noun at·lan·tite \ətˈlanˌtīt\

Definition of atlantite



  1. :  a melanocratic nephelite-basalt rock consisting of plagioclase, augite, and olivine phenocrysts in a groundmass predominantly nephelite

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Origin and Etymology of atlantite

International Scientific Vocabulary Atlantic + -ite; originally formed as German atlantit; from its occurrence in the Atlantic petrographic province

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feeling or affected by lethargy

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