自し然ぜん素そ材ざいMeaningsNoun1. natural material; natural ingredientKanji used自self然sort of thing素elementary材raw materialsComposed of自し然ぜんnature; natural; spontaneous; automatic; naturally; spontaneously; automaticallyNoun素そ材ざいingredient; (raw) material; resource; unprocessed timber; raw timber; subject matter; topicNoun