noun🔗ShareニコチンAn alkaloid (C10H14N2), commonly occurring in the tobacco plant. In small doses it is a habit-forming stimulant; in larger doses it is toxic and is often used in insecticides."My grandfather used to smoke cigarettes, and nicotine was a major reason he struggled to quit. "祖父はタバコを吸っていましたが、ニコチンは彼が禁煙に苦労した大きな理由でした。compoundsubstancechemistrymedicineplantinsectbiologyChat with AIVocabulary GamePractice Reading
noun🔗Shareタバコ、紙巻きたばこTobacco, cigarettes"He is addicted to nicotine."彼はタバコに依存している。substancemedicinecompoundchemistryChat with AIVocabulary GamePractice Reading