What does E stand for?

What does E mean?

E	End Computing » Assembly
E	Eccentricity Academic & Science » Mathematics
E	Every Miscellaneous » Unfiled
E	Experience Business » Positions
E	Eccentricity Governmental » NASA
E	Eccentricity Governmental » Transportation
E	Eccentricity Governmental » Military
E	Environmental Governmental » US Government
E	Edition Community » Media
E	Experience Community » Educational
E	English Academic & Science » Universities
E	Event Community
E	Early Miscellaneous » Unfiled
E	East Governmental » Transportation
E	Ever Miscellaneous » Unfiled
E	Environment Computing » Software
E	Extra Miscellaneous » Clothes
E	Everything Internet » Chat
E	East Governmental » NASA
E	Europe Regional
E	Engineering Academic & Science » Universities
E	Expected Academic & Science » Mathematics
E	Edge Academic & Science » Chemistry
E	Eyes Miscellaneous » Unfiled
E	Extended Business » Products

vitamin E, tocopherol, E(noun): a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body