E
n 1: a fat-soluble vitamin that is essential for normal
reproduction; an important antioxidant that neutralizes
free radicals in the body [syn: vitamin E, tocopherol]
2: a radioactive transuranic element produced by bombarding
plutonium with neutrons [syn: einsteinium, Es, atomic
number 99]
3: the cardinal compass point that is at 90 degrees [syn: east,
due east]
4: the base of the natural system of logarithms [syn: 2.718282...]
5: the 5th letter of the Roman alphabet