To save this word, you'll need to log in.
1827, in the meaning defined above
borrowed from German Iridosmin, from Iridium iridium + Osmium osmium + -in -ine entry 2
Named by the German mineralogist August Breithaupt (1791-1873) in "Mineralogische Untersuchung des russischen Platinsandes," Annalen der Physik, Band 84 (1826), pp. 500-05.
Keep scrolling for more
Time Traveler for iridosmine
See more words from the same year
Cite this Entry
“Iridosmine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iridosmine. Accessed 19 Sep. 2020.
More from Merriam-Webster on iridosmine
Britannica.com: Encyclopedia article about iridosmine
Comments on iridosmine
What made you want to look up iridosmine? Please tell us where you read or heard it (including the quote, if possible).
See Definitions and Examples »
Get Word of the Day daily email!
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Words from the week of 9/18/2020
Is it any clearer now?
For when you need it there quickly
All your favorite pet peeves
We're intent on clearing it up
We're gonna stop you right there
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
More/moor than/then two/too/to.
All right, it's time for a puppy quiz.
Build a chain of words by adding one letter at a ...