Related by context. Frequent words. (Click for all words.) 66 smoker inhales 56 fluorocarbons 56 oxidizing agent 55 vaporizer 54 colorless liquid 54 combustion gases 54 odorless tasteless 54 harmful toxins 54 vapor 53 crystalline powder 53 nicotine 53 photocatalyst 53 Hydrogen sulfide 53 halide 53 ultraviolet UV light 52 airborne droplets 52 smokeless cigarette 52 oxidise 52 ultrasonic waves 52 atomizer 52 ionised 52 tar nicotine 52 exhaled breath 51 hydroxyl radicals 51 colorless odorless tasteless 51 silver ions 51 electrochemical reaction 51 absorbs sunlight 51 ionizing 51 acrid odor 51 respiratory irritant 51 Emitting 50 aldehydes 50 inhalations 50 sodium borohydride 50 ionized 50 Nitrogen oxides 50 Volatile organic compounds 50 Particulates 50 Inhaling 50 microbubbles 50 Hydrazine 49 de ionized 49 argon gas 49 HEPA filtration 49 Cigarette smoke 49 Hydrochloric acid 49 reactant 49 nitric 49 liquid droplets 49 fluoresces 49 vaporizes 49 alpha particles 49 aromatic compounds 49 humidify 49 odorless 49 ionize 49 exothermic 49 plasmon 48 liquid electrolyte 48 inhale 48 oxidising 48 aerosol 48 Ultraviolet light 48 electrochemically 48 mercury vapors 48 gaseous emissions 48 water vapor 48 exhalations 48 granulate 48 aerosol spray 48 carbonic acid 48 hydrogen chloride 48 photocatalytic 48 suppresses appetite 48 L theanine 48 e cig 48 tropospheric ozone 48 ambient 48 emitted 48 oxidizers 48 nanocapsules 48 vivo electroporation 48 nanobubbles 47 boiling kettle 47 Diesel exhaust 47 cigarette smoke 47 aerosol particles 47 emitting 47 e cigs 47 Avoid caffeine 47 particles 47 detoxifies 47 electro static 47 microbeads 47 ionizer 47 atomizing 47 oxidant 47 eFlow 47 Pheromones 47 mercury vapor