クラウンエーテルMeanings1nouncrown ether; macrocyclic polyetherchemistryChemistry term for a cyclic polyether with a crown-like structure, known for selectively binding metal ions.クラウンエーテルは金きん属ぞくイオンを選せん択たく的てきに取とり込こむ。Crown ethers selectively capture metal ions.