← 単語を見るに戻るisotopenoun#31,928訳語アイソトープアイソトープ同位元素どういげんそ同位体どういたい安定同位体あんていどういたい英語の定義one of two or more atoms with the same atomic number but with different numbers of neutrons例文The principal natural isotope of aluminium is aluminium-27.似ている単語isotopesisotopicisotonicradioisotopeisoisotherm← skidsclocking →