ドリーネalso: ドリネドリーネじ字FuriganaMeanings1noundoline; sinkholeGeological term for a closed depression in karst terrain, formed by dissolution of limestone or other soluble rocks. Used in earth science contexts.from German Dolineカルスト地ち形けいにはドリーネがよく見みられる。Dolines are often seen in karst landscapes.
