sanidine

noun san·i·dine \ˈsanəˌdēn, -də̇n\

Definition of sanidine

plural

-s

  1. :  a variety of orthoclase in often transparent crystals in eruptive rock (as trachyte) that is thought to form at higher temperatures than adularia —called also glassy feldspar

sanidinic

adjective

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Origin and Etymology of sanidine

German sanidin, from Greek sanid-, sanis board + German -in -ine; from its tabular crystals


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the point at which something begins

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