ATOMIC NUMBER 71(noun)Did you mean?Synonyms RhymesAlso try..numberingatomicallyDefinitions There is 1 meaning of the phrase Atomic Number 71. Atomic Number 71 - as a noun A trivalent metallic element of the rare earth group; usually occurs in association with yttrium Synonyms (Exact Relations)lulutecium12lutetium10A-Z Proximitiesatoll5atolls6atom6atom-bombatomic10 Atomic Number 71 atomical12atomically17atomicities15atomicity16atomics11Add 1 Letter To Make These Words...Phrasesatomic number 107