WordReference Random House Unabridged Dictionary of American English © 2026
par′tial vac′uum,
- Physicsan enclosed space from which part of the air or another gas has been removed.
'partial vacuum' also found in these entries (note: many are not synonyms or translations):
bulb
- cupping glass
- ejector
- getter
- gettering
- implosive
- pulsometer
- suck
- suction cup
- vacuum pump
- vacuum tube