roess·​ler·​ite | \ ˈresləˌrīt, ˈrə(r)s-\
plural -s

Definition of roesslerite

: a mineral MgH(AsO4)·7H2O consisting of a hydrous acid arsenate of magnesium

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of roesslerite

1862, in the meaning defined above

History and Etymology for roesslerite

German rösslerit, from Karl Rössler, 19th century resident of Hanau, Germany + German -it -ite

Keep scrolling for more

Learn More about roesslerite

Statistics for roesslerite

Look-up Popularity

Time Traveler for roesslerite

The first known use of roesslerite was in 1862

See more words from the same year

Comments on roesslerite

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


authorized for issue (as a bond)

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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