E CIGARETTE definition in American English Collins English Dictionary E Cigarettes and Cardiovascular Health: The Risks of Vaping The Cardiology Advisor E cigarettes and vaping DrugWise Electronic cigarettes (e cigarettes) are sometimes called e cigs, vapes, vape pens, and electronic nicotine delivery systems (ENDS). E cigarettes come in many shapes and sizes. Most e cigarettes contain nicotine. Get the facts about e cigarettes,