There's a fair bit of terminology around e-cigarettes, and I thought it might be useful to have a thread where we can explain some of these terms as they can be pretty confusing to newcomers.
I'll kick it off with a couple:-
Cigalike - a small e-cigarette designed to closely resemble a real cigarette. Total length of battery and (usually) the cartomiser containing the atomiser and fluid is approximately that of a standard king size cigarette, as is the diameter.
Juice - another name for the e-liquid used. Made with a base liquid which is Propylene Glycol (PG), Vegetable glycol (VG) or a combination of both, this also has a flavouring and in most cases high grade nicotine in different strengths.