Definition of Wollaston prism
: a double-image compound prism producing two divergent beams of light plane-polarized at right angles to each other and consisting of two equal right-angled prisms of Iceland spar or quartz cemented along their long faces and so cut that in one the light passes along the optic axis and in the other at right angles to that axis
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!
Origin and Etymology of wollaston prism
after William H. Wollaston †1828
Seen and Heard
What made you want to look up Wollaston prism? Please tell us where you read or heard it (including the quote, if possible).