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illinium

[ ih-lin-ee-uhm ]

noun

, Chemistry.
  1. promethium. : Il


illinium

/ ɪˈlɪnɪəm /

noun

  1. chem the former name for promethium
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of illinium1

1925–30; named after Illinois; -ium
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Word History and Origins

Origin of illinium1

C20: New Latin, from Illinois + -ium

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ill-informedIllinoian