es Meaning, Definition & Usage

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

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