This is the 4531st most frequent Japanese word.
岩石
Rock; stone.
'岩石' is used to denote collectible objects within the hobby context.
彼は珍しい岩石を収集するのが趣味です。
His hobby is collecting rare rocks.
'岩石' refers to physical objects made up of minerals in the natural environment.
この地域では美しい岩石が見られます。
You can see beautiful rocks in this area.
'岩石' is used in a scientific context to refer to the composition and types of rocks.