noun🔗ShareスピネルAny of several hard minerals of cubic symmetry that are mixed oxides of magnesium and aluminium and are used as gemstones of various colours."The jeweler displayed several rings featuring vibrant red spinels alongside the rubies. "宝石商は、ルビーと並んで鮮やかな赤色のスピネルをあしらったいくつかの指輪を展示しました。mineralgeologymaterialChat with AIVocabulary GamePractice Reading
noun🔗ShareスピネルAny crystalline material, not necessarily an oxide, that possesses the same crystal structure as this mineral."Many synthetic gemstones, like those used in inexpensive jewelry, are manufactured with spinels due to their similar crystalline structure and durability. "安価なジュエリーなどに使用される多くの合成宝石は、その同様の結晶構造と耐久性から、スピネルで製造されています。materialmineralgeologychemistryChat with AIVocabulary GamePractice Reading
noun🔗Shareインクルと呼ばれるリネンテープを作るための漂白糸、未加工のインクルBleached yarn in making the linen tape called inkle; unwrought inkle."The weaver used the spinels to begin creating the linen inkle for a new loom project. "織工は、新しい織機プロジェクトのためにリネンのインクルを作り始めるために、漂白糸を使用しました。materialindustryChat with AIVocabulary GamePractice Reading