noun🔗ShareキニーネA bitter colourless powder, an alkaloid derived from cinchona bark, used to treat malaria and as an ingredient of tonic water."During their trip to a region with malaria, they took pills containing quinine to prevent the disease. "マラリアの地域への旅行中、彼らは病気を予防するためにキニーネを含む錠剤を服用しました。medicinesubstancechemistrybiochemistryChat with AIVocabulary GamePractice Reading