Meaning of vacuum | Babel Free

Definitions

1. Alternative spelling of vacuum.
   alt-of, alternative, rare
2. A region of space that contains no matter.
3. The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.
4. Ellipsis of vacuum cleaner.
   abbreviation, alt-of, colloquial, ellipsis
5. A spacetime having tensors of zero magnitude.
6. A ground state of a quantum field or of local spacetime, or more abstractly the lowest-energy state of a system.
7. A description of spacetime resulting from a particular compactification of spatial dimensions.
8. An emptiness in life created by a loss of a person who was close, or of an occupation.
9. An exercise in which one draws their abdomen towards the spine.

Equivalents

Examples

“The Wards are open-topped, with skyscrapers rising from the superstructure. Towers are sealed against vacuum, as the breathable atmosphere envelope is only maintained to a height of about seven meters. The atmosphere is contained by the centrifugal force of rotation and a "membrane" of dense, colorless sulphur hexafluoride gas, held in place by carefully managed mass effect fields.”

“a vacuum of 26 inches of mercury, or 13 pounds per square inch”

“Henrietta soon found a terrible vacuum left, by the letters in which she used to pour forth every feeling and thought to her uncle.”

“Abs show up in a most-muscular shot, a vacuum shot, the hands-behind-head compulsory ab shot, twisting poses, and so on.”

“Right I'm off to practice my vacuum - suck in those stomachs now!”

“When I do the 'gut vacuum' exercise the abdominal wall seems to return to normal size, as far as I can tell under the flab.”

“Blessed with round muscle bellies and a phenomenal structure, he also performed a vacuum pose on stage.”

“Franklin Roosevelt was showing that democracy was capable of taking care of its own; the New Deal was filling the vacuüm of faith which we had inherited from the cynicism and complacency of the twenties, and from the breadlines of the early thirtees.”

CEFR level