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Dictionary

xe•non

Pronunciation: (zē'non, zen'on), [key]
—n. Chem.
a heavy, colorless, chemically inactive, monatomic gaseous element used for filling radio, television, and luminescent tubes. Symbol: Xe; at. wt.: 131.30; at. no.: 54.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

xenomorphic

xenon arc

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