Definition of Barlow lens
:a diverging lens used to increase the magnifying power of a telescope
What's Trending Now
More Trending Words
Barlow lens
noun
Read the Latest from M-W
There's more!
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 barlow lens
after Peter Barlow †1862 English mathematician and optician
Seen and Heard
What made you want to look up Barlow lens? Please tell us where you read or heard it (including the quote, if possible).
