atlantite

noun

at·​lan·​tite
ətˈlanˌtīt
plural -s
: a melanocratic nephelite-basalt rock consisting of plagioclase, augite, and olivine phenocrysts in a groundmass predominantly nephelite

Word History

Etymology

International Scientific Vocabulary Atlantic + -ite; originally formed as German atlantit; from its occurrence in the Atlantic petrographic province

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!

Dictionary Entries Near atlantite

Cite this Entry

“Atlantite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atlantite. Accessed 27 May. 2024.

Love words? Need even more definitions?

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