Which definition of E do you mean?

  • E n the base of the natural system of logarithms; approximately equal to 2.718282...
  • E n the 5th letter of the Roman alphabet
  • East n the cardinal compass point that is at 90 degrees
  • Einsteinium n a radioactive transuranic element produced by bombarding plutonium with neutrons
  • Vitamin E n a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body