didymium

play
noun di·dym·i·um \dī-ˈdi-mē-əm\

Definition of didymium

  1. :  a mixture of rare-earth elements made up chiefly of neodymium and praseodymium and used especially for coloring glass for optical filters

Origin and Etymology of didymium

New Latin, from Greek didymos twin, from dyo two — more at two


Seen and Heard

What made you want to look up didymium? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

sad or melancholy

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!