hilgardite

noun

hil·​gard·​ite
ˈhilˌgärˌdīt,
-gər-
plural -s
: a mineral Ca8(B6O11)3Cl4.4H2O consisting of hydrous chloride and borate of calcium occurring in colorless monoclinic domatic crystals

Word History

Etymology

Eugene W. Hilgard †1916 American geologist + English -ite

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 hilgardite

Cite this Entry

“Hilgardite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hilgardite. Accessed 16 Jul. 2024.

Love words? Need even more definitions?

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