Dictionary.com
Thesaurus.com

ethoxide

American  
[eth-ok-sahyd] / ɛθˈɒk saɪd /

noun

Chemistry.
  1. ethylate.


ethoxide British  
/ iːθˈɒksaɪd /

noun

  1. Also called: ethylate.  any of a class of saltlike compounds with the formula MOC 2 H 5 , where M is a metal atom

"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

Etymology

Origin of ethoxide

eth(yl) + oxide