E-cig Glossary (D-F)

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DL - direct lung

type of vaping. The other one is MTL - mouth to lung. Direct lung here means inhaling vapor straight into  lungs so that it doesn't linger in your mouth. It has become popular in the recent couple of years. It requires a different vaping setup ie. mods of higher voltage and wattage and sub-ohm tanks. E-liquid is also different - less nicotine and you go through much more juice than in MTL vaping which is basically a smoking simulation.   

disposable (e-cigarette)


designed to be used once and last until you vape its pre-filled cartomizer, usually contains one daily dose for an average smoker. In the pic you can see Blu disposable.


dipping an atomizer into e-liquid. Must be done carefully to avoid damaging the atomiser.


dripping drops of e-liquid into an atomizer

drip tip

vape glossary

used as a mouthpiece and for dripping


DSE 906 thread in Apollo Extreme kit

type of thread, like in the Apollo Extreme Kit (sold in US and UK), click to see review of this kit.

dual coil 

2 coils are commonly used in tanks/clearomizers. Can produce twice as much vapor or the same amount of it twice as fast from the standard. Is supposed to last longer. In the picture, you can see two bottom coil clearomizers - single (left) and dual (right).


dual mode battery

dual mode battery in Vapor Zeus kit

battery that has both automatic and manual mode. You can find them in some cigalike kits but there are a few penstyle batteries that have this option. The mode is switchable by a few clicks. 

W tried this option in V4life's Vapor Zeus and find it very handy.

Click to read our Vapor Zeus dual mode battery kit reveiw




Electronic Cigarette Consumer Association of the United Kingdom, a non-profit association


E-cigarette Forum - the largest forum on electronic cigarettes on the net

e-cig, e-cigarette, electronic cigarette


inhaler, consisting of battery, atomizer and cartridge, vaporizes e- liquid, thus simulating the act of tobacco smoking. Hence also referred to as Personal Vaporizers (PV). 

Three kinds of them: cigalikes mid-size like eGo and EVOD and APV (advanced personal vaporizers).

Click to read more: Types of Electronic Cigarettes

e-cigar, electronic cigar

Apollo e-cigar

works the same way as e-cigarette, but is made to resemble the look of a tobacco cigar. Can also be either disposable or refillable.

In the picture Apollo e-cigar, disposable but a really good product with which my uncle replaced 30 out of 40+ cigarettes he used to smoke daily (read the story here)



once very popular e-cigarette battery, 510 thread. Like many others, I started with it, back in August 2012. Energy storage capacity varies from 450 to 900 and more.  

eGo Twist, eGo Vision Spinner and similar batteries

eGo Twist, eGo Vision Spinner and similar batteries

These eGo batteries have one thing in common - a dial at the bottom with voltage range 3.2 - 3.6 - 4.0 - 4-4 - 4.8V. eGo Twist is 650 mAh strong, whereas you can find  Spinners range from 1300-1600mAh. 

In the picture  - eGo Twist and eGo Vision Spinner plus two classic eGo batteries. These Batteries aren't easy to find today, but you can easily find upgraded version. Vision and Vapros Spinner2. Click to read our review.

e-pipe, electronic pipe


works the same way as electronic cigarette but is shaped to resemble the look of a tobacco pipe.  

e-liquide-juice, juice

e-liquid, e-juice, juice

a solution heated by the atomizer to simulate smoking. It's made up of mostly a propylene glycol (PG) or vegetable glycerin (VG) base, or their combination, nicotine at desired level, and additional flavor/s. Most components in e-liquid are well known and used in many food products. Only pharmaceutical grade (USP) or food grade PG and VG should be used. More on e-liquid 



e-solid – gel substance, packed in a tube like toothpaste, used instead of e-liquid. Not to be confused with so-called nicotine gel (which is a nicotine replacement therapy - NRT)  

Turns liquid when heated. Users who have tried it had not so favourable experiences, but they all agree it lasted longer than e-liquid, which is true. The taste, however, leaves much room for improvement.Keep in mind this info is from 2013. I can find no later reviews which indicates this product fell by the wayside.

In the picture you can see filling M2 cartomizer with e-solid from the tube. Click to read our review



Food and Drug Administration (FDA - administrative branch of the United States government that oversees rules and regulations pertaining to the safety of food and drug products sold in the USA.

female thread

female e-cig thread

see picture - female thread on the left, (male thread on the right). Some batteries, like RN4081 in the picture have female thread battery and male thread carto. Some other like KR808d have their threads other way round.


heating element, second part of the atomizer (first is bridge or wick), coil of high resistance wire that heats up and vaporizes e-liquid flowing onto it from the bridge

filler, filling material

the filling inside cartridge or cartomizer, cotton wool type absorbent material used to store e-liquid

E-cig glossary with pictures
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Written by Ljubica, @Switchtoecig, ex teacher, translator, passionate reader, ex smoker and now vaper, e-cig reviewer and vaping advocate.

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