1) 洞穴ほらあな #25,821 Link copied! Common ほらあな [0] Meaning Shirabe Noun cave; cavern; den; grotto その洞穴ほらあなはその少年しょうねんたちによって発見はっけんされたのですか。 Was the cave found by the boys? Kanji 洞 ドウ den, cave, excavation 穴 ケツ hole, aperture, slit Forms 洞穴#25,821洞穴ほらあなほら穴#69,945ほら穴あなほらあなほらあなどうけつどうけつ Learn this word with smart reviews that adapt to you Save word
2) 洞穴学 Link copied! Meaning Wikipedia EN Speleology or Spelaeology (also spelled spelæology or spelaeology) is the scientific study of caves and other karst features, their make-up, structure, physi... More Kanji 洞 ドウ den, cave, excavation 穴 ケツ hole, aperture, slit 学 ガク study, learning, science Learn this word with smart reviews that adapt to you Save word
3) 洞穴生物 Link copied! Meaning Wikipedia EN Troglofauna are small cave-dwelling animals that have adapted to their dark surroundings. More Kanji 洞 ドウ den, cave, excavation 穴 ケツ hole, aperture, slit 生 セイ life, genuine, birth 物 ブツ thing, object, matter Learn this word with smart reviews that adapt to you Save word