1. cryopump - Noun
2. cryopump - Verb
cryopump (plural cryopumps)
English Wikipedia has an article on:cryopumpWikipedia
A vacuum pump that traps gases and vapours by condensing them on a cold surface
cryopump (third-person singular simple present cryopumps, present participle cryopumping, simple past and past participle cryopumped)
To employ such a device
A cryopump or turbomolecular pump would be used to bring the pressure further down to 10 −8 Torr (1 µPa). Source: Internet
Some systems are cooled well below room temperature by liquid nitrogen to shut down residual outgassing and simultaneously cryopump the system. Source: Internet