phyllite

== English == === Etymology === From Ancient Greek φῠ́λλον (phŭ́llon, “leaf”) +‎ -ite. === Pronunciation === IPA(key): /ˈfɪlˌaɪt/ === Noun === phyllite (countable and uncountable, plural phyllites) (geology) A type of metamorphic rock formed from clay-rich sediments called pelites. ==== Derived terms ==== ==== Translations ==== === References === “phyllite”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.