A fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body.

synonyms: tocopherol, vitamin E.

Dutch: tocoferol, vitamine E, E
Polish: witamina E

A radioactive transuranic element produced by bombarding plutonium with neutrons.

synonyms: atomic number 99, einsteinium, Es.

Dutch: einsteinium
Polish: einstein, Es

The cardinal compass point that is at 90 degrees.

synonyms: due east, east, eastward.

Dutch: oosten
Polish: wschód

The base of the natural system of logarithms; approximately equal to 2.718282....

The 5th letter of the Roman alphabet.