noun🔗Share置換基Any atom, group, or radical substituted for another, or entering a molecule in place of some other part which is removed"The chemist replaced the chlorine substituent in the molecule with a bromine substituent. "化学者は分子内の塩素置換基を臭素置換基に置き換えた。chemistrycompoundsubstanceelementpartChat with AIVocabulary GamePractice Reading
noun🔗Share代名詞(grammar) pro-form"In the sentence "Maria likes to read, and she likes to write," the word "she" is a substituent standing in for the noun "Maria" to avoid repetition. "「マリアは読書が好きで、彼女は書くのも好きだ」という文では、「彼女」という言葉は、繰り返しを避けるために名詞「マリア」の代わりに使われる代名詞です。grammarlinguisticslanguageChat with AIVocabulary GamePractice Reading
