Definition of cryopump
: a vacuum pump whose operation involves the freezing and adsorption of gases on cold surfaces at very low temperatures
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!
Seen and Heard
What made you want to look up cryopump? Please tell us where you read or heard it (including the quote, if possible).