plural -s
: a monoclinic mineral CaH(AsO4).2H2O that is a hydrous acid calcium arsenate occurring in silky fibers of a white or grayish color (hardness 2–2.5, specific gravity 2.64–2.73)

Word History


German pharmakolith, from pharmako- pharmaco- + lith -lite

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 pharmacolite

Cite this Entry

“Pharmacolite.” Dictionary, Merriam-Webster, Accessed 17 Jul. 2024.

Love words? Need even more definitions?

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