plural -s
: a mineral consisting of an aluminum phosphate Al3(PO4)2(OH)3.4H20 of a milk-white to sky-blue color

Word History


coeruleo- (from Latin coeruleus, caeruleus cerulean) + -lactite, from Latin lact-, lac milk + 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 coeruleolactite

Cite this Entry

“Coeruleolactite.” Dictionary, Merriam-Webster, Accessed 17 Jun. 2024.

Love words? Need even more definitions?

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