Structure of the electronic cigarette. The electronic cigarette is a Download Scientific Diagram E CIGARETTE definition in American English Collins English Dictionary Dfinition e cigarette : qu'est ce que c'est ? Futura sant 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, Summary Report