Definition of pollucite
: a colorless transparent mineral (Cs,Na)2Al2Si4O12.H2O of the zeolite family consisting of hydrous cesium aluminum silicate and occurring massive or crystallizing in cubes
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.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of pollucite
Latin Polluc-, Pollux Pollux + English -ite (after German pollux pollucite)
Seen and Heard
What made you want to look up pollucite? Please tell us where you read or heard it (including the quote, if possible).