tin·​cal·​co·​nite | \ tinˈkalkəˌnīt, tiŋˈk- \
plural -s

Definition of tincalconite

: a mineral Na2B4O7.5H2O consisting of sodium borate pentahydrate that is one of the principal ore minerals of borax and boron compounds — compare kernite

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!

History and Etymology for tincalconite

tincal + Greek konia ashes, dust + English -ite

Keep scrolling for more

Learn More About tincalconite

Dictionary Entries Near tincalconite



tin can

See More Nearby Entries 

Statistics for tincalconite

Cite this Entry

“Tincalconite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tincalconite. Accessed 22 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon
Seen & Heard
People are talking about


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Love words? Need even more definitions?

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