E

• (noun) the 5th letter of the Roman alphabet

• (noun) the base of the natural system of logarithms; approximately equal to 2.718282...

• (noun) the cardinal compass point that is at 90 degrees

  synonyms : due east , east , eastward

• (noun) a radioactive transuranic element produced by bombarding plutonium with neutrons

  synonyms : atomic number 99 , einsteinium , es

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

  synonyms : tocopherol , vitamin e

WordNet® 3.0, © 2006 by Princeton University.

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