vacuum plural
vac·u·um
The plural form of vacuum is vacuums
V vDefinitions
- noun plural vacuum a space entirely devoid of matter. 1
- noun plural vacuum an enclosed space from which matter, especially air, has been partially removed so that the matter or gas remaining in the space exerts less pressure than the atmosphere (opposed to plenum). 1
- noun plural vacuum the state or degree of exhaustion in such an enclosed space. 1
- noun plural vacuum a space not filled or occupied; emptiness; void: The loss left a vacuum in his heart. 1
- noun plural vacuum a vacuum cleaner or sweeper. 1
- noun plural vacuum Physics. a state of lowest energy in a quantum field theory. 1