1 orthosite | Definition of orthosite

orthosite

noun
or·​tho·​site | \ ˈȯ(r)thəˌsÄ«t\
plural -s

Definition of orthosite

: a granular igneous rock composed essentially of orthoclase

History and Etymology for orthosite

French, from orthose orthoclase (from orth- + -ose) + -ite

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