opal glass


Definition of opal glass

  1. :  a translucent or opaque glass; especially :  a milky white glass that is prepared by adding impurities (as fluorine compounds) which disperse as crystallites within the matrix of glass and that is used especially for ornamental pressed glass and for diffusing light without serious loss of lighting efficiency — compare milk glass

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!

Seen and Heard

What made you want to look up opal glass? Please tell us where you read or heard it (including the quote, if possible).


to criticize severely

Get Word of the Day daily email!