noun, plural vac·u·ums for 1, 2, 4–6, vac·u·a [vak-yoo-uh] /ˈvæk yu ə/ for 1, 2, 4, 6.
verb (used with object)
verb (used without object)
- vacuum activity,
- vacuum aspiration,
- vacuum bottle,
- vacuum brake,
- vacuum casting
Origin of vacuum
Examples from the Web for vacuum
In a vacuum (translation: but for Obama), this could be a killer year for Democrats.Biggest Midterm Issue? The Obamaphant in the Living Room|Dean Obeidallah|September 7, 2014|DAILY BEAST
There are also drones which vacuum the wireless spectrum, picking up tweets, emails, and Skype chats.
We found that even in cases where individuals acted alone, in an operational sense, they were not radicalized in a vacuum.
Rather, he is pointing out what should be obvious but is too often ignored: The court does not operate in a vacuum.
But as Feldman argues, “Nobody raises their child in a vacuum.”
Tubes which have been evacuated usually are sealed off while they are still connected to the vacuum pump.Laboratory Manual of Glass-Blowing|Francis C. Frary
So that lead is to the ether, as regards density, very much as the "vacuum" above spoken of is to lead.The Ether of Space|Oliver Lodge
By a chemical process the air in the chamber was exhausted, instantly causing a vacuum.Zarlah the Martian|R. Norman Grisewood
She saw only an unanatomical array of vacuum tubes and electrical relays.Weak on Square Roots|Russell Burton
The greatest part of abstract terms are shadows that hide a vacuum.
noun plural vacuums or vacua (ˈvækjʊə)
Word Origin for vacuum
1540s, "emptiness of space," from Latin vacuum "an empty space, void," noun use of neuter of vacuus "empty," related to vacare "be empty" (see vain). Properly a loan-translation of Greek kenon, literally "that which is empty." Meaning "a place emptied of air" is attested from 1650s. Vacuum tube is attested from 1859. Vacuum cleaner is from 1903; shortened form vacuum (n.) first recorded 1910.
"to clean with a vacuum cleaner," 1922; see vacuum (n.). Related: Vacuumed; vacuuming.
n. pl. vac•u•ums
Plural vacuums vacuua
The absence of matter.