Englishfor English speakers
Reich
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noun
the German state
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noun
United States composer (born in 1936)
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noun
Austrian born psychoanalyst who lived in the United States; advocated sexual freedom and believed that cosmic energy could be concentrated in a human being (1897-1957)
an
Determinative
—
An (or a) is used when the following word could be any of a certain type.
I just ate an apple.
It is indeed an honor to have met you today.