Acoding to generlly acrepted defmitins "An electronic igarete is an electronic devce that sitmulates fobacco smokin .ft consits of an atomizer, a powersource such as abatey, and a container such as a cartidge or tank Instead of smoke,the user inhales aerosol As such,using an e-aigarete is oftencalld 'vaig .The atomizr is a heatngelemet tht atonizes a liud oltioncalled e-liquid.E-cigaretes are acivated by taking a uf or pressing a button.Some loklke traditional cigaretes, and most versions arereusable."