adjective🔗Shareコンコイドの, 貝殻状のOf or pertaining to a conchoid; that may be defined as a conchoid."The broken glass shard had a curved, conchoidal fracture, resembling the inside of a seashell. "割れたガラスの破片は、貝殻の内側のような、湾曲した貝殻状の破断面を持っていた。geologymaterialscienceChat with AIVocabulary GamePractice Reading
adjective🔗Share貝殻状の(of a fracture) Irregular, with planar, concentric curves, similar to those on a mussel shell."The broken glass shard had a conchoidal fracture, showing curved lines like those on the inside of a seashell. "割れたガラスの破片は貝殻の内側のような曲線を示し、貝殻状の破断面を持っていた。geologymaterialscienceChat with AIVocabulary GamePractice Reading
adjective🔗Share貝殻状の(of a mineral) That fractures with planar concentric curves (e.g., as flint, chert or obsidian)."The obsidian arrowhead, when broken, displayed a distinct conchoidal fracture pattern, with smooth, curved surfaces like the inside of a seashell. "黒曜石の矢じりは、割れたとき、貝殻の内側のような滑らかで湾曲した表面を持つ、独特の貝殻状の破断面を示した。geologymineralmaterialscienceChat with AIVocabulary GamePractice Reading