didymium

noun
di·​dym·​i·​um | \ dī-ˈdi-mē-əm How to pronounce didymium (audio) \

Definition of didymium

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

First Known Use of didymium

1842, in the meaning defined above

History and Etymology for didymium

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

Keep scrolling for more

Learn More About didymium

Time Traveler for didymium

Time Traveler

The first known use of didymium was in 1842

See more words from the same year

Dictionary Entries Near didymium

didym-

didymium

didymo

See More Nearby Entries 

Statistics for didymium

Cite this Entry

“Didymium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/didymium. Accessed 27 Jul. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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