Dictionary![]() ![]() Pen•zi•asPronunciation: (pent'sē-us, pen'zē-), [key] —n. Arno Allan, born 1933, U.S. astrophysicist, born in Germany: Nobel prize for physics 1978. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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