National Academies Press: OpenBook

Public Health Consequences of E-Cigarettes (2018)

Chapter: Appendix C Glossary of Terms Related to E-Cigarettes

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Suggested Citation:"Appendix C Glossary of Terms Related to E-Cigarettes." National Academies of Sciences, Engineering, and Medicine. 2018. Public Health Consequences of E-Cigarettes. Washington, DC: The National Academies Press. doi: 10.17226/24952.
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Page 553
Suggested Citation:"Appendix C Glossary of Terms Related to E-Cigarettes." National Academies of Sciences, Engineering, and Medicine. 2018. Public Health Consequences of E-Cigarettes. Washington, DC: The National Academies Press. doi: 10.17226/24952.
×
Page 554
Suggested Citation:"Appendix C Glossary of Terms Related to E-Cigarettes." National Academies of Sciences, Engineering, and Medicine. 2018. Public Health Consequences of E-Cigarettes. Washington, DC: The National Academies Press. doi: 10.17226/24952.
×
Page 555
Suggested Citation:"Appendix C Glossary of Terms Related to E-Cigarettes." National Academies of Sciences, Engineering, and Medicine. 2018. Public Health Consequences of E-Cigarettes. Washington, DC: The National Academies Press. doi: 10.17226/24952.
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Page 556

Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

C Glossary of Terms Related to E-Cigarettes Term Definition Advanced Personal Generally used to refer to second or third generation e-cigarette Vaporized (APV) devices with regulated variable voltage or variable wattage. APV can also be called a Mod. Analog (slang) Combustible tobacco cigarette. Atomizer The atomizer is the component in an electronic cigarette that is responsible for heating the e-liquid to the point of aerosolization. The atomizer contains the heating coil and wick. It is most often contained within the metal, glass or plastic housing called a cartomizer, tank or clearomizer which is screwed into the battery. Base Liquid This is the liquid to which nicotine and flavoring are added create e-juice. The two most common base liquids are VG (vegetable glycerine) and PG (propylene glycol). Battery The battery used to power an electronic cigarette’s atomizer. Usually a rechargeable lithium ion battery. Available in a variety of size/capacity expressed in mAh, commonly in 600, 900, and 1100mAh. Cartomizer A combined atomizer and cartridge. The cartomizer combines a heating element and a juice delivery system into a single unit. Cartomizers can be made of plastic, metal or a combination of both. They are disposable and not considered to be refillable, although some users manage to do so. Cartomizers can come in a single coil, dual coil, or multiple coil configurations. Having more than one coil has the ability to produce twice as much aerosol or C-1 PREPUBLICATION COPY: UNCORRECTED PROOFS

C-2 PUBLIC HEALTH CONSEQUENCES OF E-CIGARETTES Term Definition the same amount twice as fast from the standard. There are top coil and bottom coil configurations. Cartridge The mouthpiece which contains the absorbent filler material soaked with e-liquid. This is a plastic or metal covered part of an e- cigarette, primarily of first generation devices. A single cartridge contains about 1 ml of e-liquid. Cigalike An electronic cigarette having a similar form factor as a combustible tobacco cigarette. Generally considered to be the first generation of e-cigarette products. Clearomizer A cartomizer that is made of a clear material (usually plastic, Pyrex, or glass) so that the user can see the quantity of e-juice remaining in the unit. Many have ml graduations for the capacity of e-liquid left. The common capacity of clearomizers varies from 3 to 6 ml. Coil/Heating Coil A coil is generally a piece of nichrome or kanthal wire that has been wrapped around a wick. Current flows through the coil; the coil gets hot, and aerosolizes e-liquid. Cartomizers can come in a single coil, dual coil, or multiple coil configurations. Having more than one coil in atomizer results in increased production of aerosol as compared to single coil. Disposable E- The disposable e-cigarette is designed to be used once and usually Cigarette comes with no charger. It is a single piece e-cigarette device. DIY (Do It Commonly used to refer to making your own e-juice or refillable Yourself) solution prepared and customized by user. Dripping Putting e-juice directly on the atomizer. Dry Puff This refers to unpleasant taste reported by an e-cigarette user when not enough e-liquid is supplied to an atomizer or cartomizer, resulting in poor aerosol and flavor. E-cigar E-cigarette device designed to resembles a traditional tobacco cigar in shape. E-juice, e-liquid The liquid which produces the aerosol in an electronic cigarette. E- liquid is aerosolized by the heating element and generated aerosol is inhaled by the e-cigarette user. Typically contains Vegetable Glycerin (VG), Propylene Glycol (PG), Nicotine, and Flavorings. PREPUBLICATION COPY: UNCORRECTED PROOFS

APPENDIX C C-3 Term Definition E-Pipe E-cigarette device designed to resemble a tobacco pipe. Flavoring The flavorings used in e-liquids, which are usually the same flavorings used in food and drinks. Certain ingredients (particularly sugars and sweeteners) are avoided, however, because of the damage they can do to atomizers. Mod Short for modification. This originally referred to modifying a flashlight or a battery to be used in vaping, but is now commonly used to refer to any vaping device of second or third generation that is not a cigalike. Pen Style A style of first generation e-cigarette device that resembles a pen. Personal Vaporizer The entire e-cigarette device; usually refers to second and third (PV) generation products. Sob-Ohming Sub-ohming involves vaping using an atomizer coil with a resistance of < 1 ohm. This increases the overall power output (wattage) of the device allowing more energy to reach the coil which, in turn, heats up faster and reaches a higher temperature so more aerosol is produced. Starter Kit A kit that includes basic e-cigarette equipment. Typically includes a battery, cartomizer, a charger and instruction manual for the user. Tank The part of second or third generation e-cigarette that holds the refillable solution. Tank is a common name for a refillable Clearomizer and it usually holds more e-liquid than cartridges and it is usually manually refilled with e-liquid by user. Throat Hit The sensation on the back of the throat that e-cigarette users commonly report after taking puff on e-cigarette. Vape/Vaping The act of using an electronic cigarette. The equivalent of “smoking” for combustible tobacco cigarettes. Vaper Someone who uses an electronic cigarette (a person who vapes). Vaper’s Tongue Used by experienced e-cigarette users to describe the sensation of not being able to taste the flavor in e-liquid when inhaled. Vaporizer Used by experienced e-cigarette users to refer to their e-cigarette device. PREPUBLICATION COPY: UNCORRECTED PROOFS

C-4 PUBLIC HEALTH CONSEQUENCES OF E-CIGARETTES Term Definition Variable E-cigarette with variable voltage (VV) or variable wattage (VW) Voltage/Variable allows users to control battery output voltage or power of the e- Wattage cigarette. Increasing the voltage/wattage leads to increased coil temperature and as a result increased production of aerosol. Wick Wicks deliver e-liquid to the coil in electronic cigarettes. Most commonly made from silica cord, wick can also be made from rolled up steel mesh, ceramic, fiberglass, cotton, or a host of other materials. Wire Generally refers to resistance wire used in building coils for atomizers. PREPUBLICATION COPY: UNCORRECTED PROOFS

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Millions of Americans use e-cigarettes. Despite their popularity, little is known about their health effects. Some suggest that e-cigarettes likely confer lower risk compared to combustible tobacco cigarettes, because they do not expose users to toxicants produced through combustion. Proponents of e-cigarette use also tout the potential benefits of e-cigarettes as devices that could help combustible tobacco cigarette smokers to quit and thereby reduce tobacco-related health risks. Others are concerned about the exposure to potentially toxic substances contained in e-cigarette emissions, especially in individuals who have never used tobacco products such as youth and young adults. Given their relatively recent introduction, there has been little time for a scientific body of evidence to develop on the health effects of e-cigarettes.

Public Health Consequences of E-Cigarettes reviews and critically assesses the state of the emerging evidence about e-cigarettes and health. This report makes recommendations for the improvement of this research and highlights gaps that are a priority for future research.

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