e

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