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英英字典: e




Overview of noun e

The noun e has 5 senses


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

  • einsteinium, Es, E, atomic number 99 -- (a radioactive transuranic element produced by bombarding plutonium with neutrons)

  • east, due east, eastward, E -- (the cardinal compass point that is at 90 degrees)

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

  • E, e -- (the 5th letter of the Roman alphabet)

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