Learn how to say Granitoid correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word granite:
a very hard, granular, crystalline, igneous rock consisting mainly of quartz, mica, and feldspar and often used as a building stone:
a man with granite determination
adjective & noun
mid 17th century: from Italian granito, literally ‘grained’, from grano ‘grain’, from Latin granum