Dictionary.com

illinium

[ ih-lin-ee-uhm ]
/ ɪˈlɪn i əm /
Save This Word!

noun Chemistry.(formerly)
promethium. Symbol: Il
QUIZ
SPRINT TO THE FINISH WITH THIS OLYMPICS QUIZ!
Compete in our Olympics quiz to see if you can take home the gold medal in Olympics knowledge.
Question 1 of 10
Where was the Olympics first held?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of illinium

1925–30; named after Illinois; see -ium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for illinium

illinium
/ (ɪˈlɪnɪəm) /

noun
chem the former name for promethium

Word Origin for illinium

C20: New Latin, from Illinois + -ium
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
FEEDBACK