First inert gas made into a compound Crossword Clue
5 letters · New York Times · Friday, December 26, 2014 · 56-Across
Appeared in 1 New York Times Crossword: Friday, December 26, 2014.
Exact puzzle match · New York Times · December 26, 2014 · 56-Across · 5 letters
XENON0 of 5 letters revealed
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What does this clue mean?
a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts
noun
WordNet® (Princeton University)
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