What does 岩石 mean?
岩石 is a Japanese noun meaning “rock (as a geological material)” in English. It is written as 岩石 in kanji, がんせき in hiragana, and ganseki in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
岩石や鉱物はいろいろな面で私たちに有益である。
Rocks and minerals are useful for us in many ways.