一枚岩[ichimaiiwa] monolith
火山岩[kazangan] volcanic rock
火成岩[kaseigan] igneous rock
かこう岩[kakougan] granite
岩塩[ganen] halite

岩屋[iwaya] cavern
岩角[iwakado] edge or corner of a stone
岩間[iwama] among rocks
岩山[iwayama] rocky mountain

辣油[raayu] Chinese red chile oil (chile, chilli)
あまに油[amaniyu] linseed oil
荏胡麻油[egomayu] egoma seed oil
英国石油[eikokusekiyu] British Petroleum
乾性油[kanseiyu] drying oil

肝油[kanyu] fish-liver oil (cod, shark, etc.)
含油層[ganyusou] oil strata
揮発油[kihatsuyu] gasoline
給油[kyuuyu] supply of oil
桐油[touyu] tung oil

頁数[peejisuu] number of pages
頁岩[ketsugan] shale
頁付け[peejizuke] pagination
頁の裏[peejinoura] overleaf

余白頁[yohakupeeji] blank page
石油頁岩[sekiyuketsugan] oil shale
油頁岩[yuketsugan] oil shale
含油頁岩[ganyuketsugan] oil shale