A colorless element that is one of the six inert gasses; occurs in trace amounts in air. Synonyms: atomic number 36, krypton.
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"Kr" Quotes from Famous Books ![]() ![]() — The Treasure-Train • Arthur B. Reeve ![]() ![]() ![]() — The Translations of Beowulf - A Critical Biography • Chauncey Brewster Tinker ![]() |
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