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},
{E}]
2: a radioactive transuranic element produced by bombarding
plutonium with neutrons [syn: {einsteinium}, {Es}, {E}, {atomic
number 99}]
3: the cardinal compass point that is at 90 degrees [syn: {east},
{due east}, {E}]
4: the base of the natural system of logarithms [syn: {2.718282...}]