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We found 9 dictionaries with English definitions that include the word atomic number 54: Click on the first link on a line below to go directly to a page where "atomic number 54" is defined. General (8 matching dictionaries) atomic number_54: Vocabulary.com [home, info] atomic number_54: Dictionary.com [home, info] Atomic number 54: Rhymezone [home, info] atomic number_54: Free Dictionary [home, info] atomic number_54: Mnemonic Dictionary [home, info] atomic number_54: WordNet 1.7 Vocabulary Helper [home, info] atomic number_54: LookWAYup Translating Dictionary/Thesaurus [home, info] atomic number_54: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) atomic number_54: Encyclopedia [home, info]

Quick definitions from WordNet (Atomic number 54) ▸ noun:  a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts