vacuum[vak′yo̵̅o̅m, -yo̵̅o̅ əm]
A cannister style vacuum cleaner.
- The definition of a vacuum is a space devoid of air or matter, or a tool that uses suction to clean.
- An example of a vacuum is a space with nothing in it.
- An example of a vacuum is something used to clean up dirt on a floor.
- To vacuum is to clean using a tool that sucks dirt or other elements into a storage container.
An example of vacuum is to clean the dirt off the carpet using a vacuum cleaner.
nounpl. vacuums or vacua
- a space with nothing at all in it; completely empty space
- an enclosed space, as that inside a vacuum tube, out of which most of the air or gas has been taken, as by pumping
- the degree to which pressure has been brought below atmospheric pressure
- a space left empty by the removal or absence of something usually found in it; void: often used figuratively
- ☆ vacuum cleaner
Origin of vacuumClassical Latin neuter singular of vacuus, empty
- of a vacuum
- used to make a vacuum
- having a vacuum; partially or completely exhausted of air or gas
- working by suction or the creation of a partial vacuum
nounpl. vac·uums or vac·u·a
- a. Absence of matter.b. A space empty of matter.c. A space relatively empty of matter.d. A space in which the pressure is significantly lower than atmospheric pressure.
- A state of emptiness; a void.
- A state of being sealed off from external or environmental influences; isolation.
- pl. vac·uums A vacuum cleaner.
- Of, relating to, or used to create a vacuum.
- Containing air or other gas at a reduced pressure.
- Operating by means of suction or by maintaining a partial vacuum.
tr. & intr.v.vac·uumed, vac·uum·ing, vac·uums
Origin of vacuumLatin, empty space, from neuter of vacuus, empty, from vacāre, to be empty; see eu&schwa;- in Indo-European roots.
(plural vacuums or vacua) (see usage notes)
- In the sense of "a region of space that contains no matter", the plural of vacuum is either vacua or vacuums. In the sense of a "vacuum cleaner" vacuums is the only plural.
- The Latin in vacuo is sometimes used instead of in a vacuum (in free space).
(third-person singular simple present vacuums, present participle vacuuming, simple past and past participle vacuumed)
- To clean (something) with a vacuum cleaner.
- (intransitive) To use a vacuum cleaner.
From Latin vacuum (“an empty space, void"), noun use of neuter of vacuus (“empty"), related to vacare (“be empty")
vacuum - Computer Definition
A space completely void of matter. Although a complete vacuum is unachievable on earth, outer space is theoretically a vacuum to within a few molecules per cubic inch.