亜あテルル酸さんあテルルさんMeanings1nountellurous acidchemistryInorganic acid of tellurium, H₂TeO₃. Used in chemistry contexts.亜あテルル酸さんは水すい溶よう液えき中ちゅうで弱よわい酸さん性せいを示しめす。Tellurous acid shows weak acidity in aqueous solution.