Word: diorite



intrusive igneous rock formed by slow cooling of magma, with a moderate content of silica and low content of alkali metals

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  1. I had never heard of diorite before you mentioned it in the "brocks vs. blocks" request. My sister has a degree in geology, though, so she could probably tell me about it. Okrand's word for diorite will probably be something like *nachSIQ*.