Definition of Geissler tube
:a gas-filled discharge tube having various shapes and usually a narrowly constricted portion in which the luminosity is intensified
What's Trending Now
More Trending Words
Geissler tube
noun
Explore 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 geissler tube
after Heinrich Geissler
Seen and Heard
What made you want to look up Geissler tube? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!