E in WordNet English dictionary

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