| rhtic | <geology> Pertining to, or of the same horizon as, certain Mesozoic strata of the Rhetain Alps. These strata are regarded as closing the Triassic period. Origin: L. Rhaeticus Rhetain. Source: Websters Dictionary (01 Mar 1998) |
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| rhtizite | <chemical> A variety of the mineral cyanite. Origin: So called from L. Rhaetia, Raetia, the Rhetain Alps, where it is found. Source: Websters Dictionary (01 Mar 1998) |