free space

(redirected from Perfect vacuum)
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free space

n
(General Physics) a region that has no gravitational and electromagnetic fields: used as an absolute standard. Also called (no longer in technical usage): vacuum
References in periodicals archive ?
These conditions have created a perfect vacuum, one that has been exploited by the evil cadres of Al Qaida and other extremist and terrorist groups to allow them to plot acts of indiscriminate mass murder of innocents.
The SEIS instrument -- designed to measure ground movements as small as half the radius of a hydrogen atom -- requires a perfect vacuum seal around its three main sensors in order to withstand harsh conditions on the Red Planet.
The SEIS [Seismic Experiment for Interior Structure] instrument - designed to measure ground movements as small as half the radius of a hydrogen atom - requires a perfect vacuum seal around its three main sensors in order to withstand harsh conditions on the Red Planet," NASA said.
Ruwac's industry-leading MicroClean filtration and durable compression cast composite housing make it the perfect vacuum cleaner for tough jobs.
My brain was a perfect vacuum, the vacuum of deep space.
Dirac said: "A perfect vacuum is now to be considered as a region of space in which all the states of negative energy and none of those of positive energy are occupied.
This is the perfect vacuum into which we can opine.
To state the obvious, this word, taken by itself, is an almost perfect vacuum.
The title of A Psychic Vacuum, 2007, British artist Mike Nelson's first large-scale project in the US, echoes that of Stanislaw Lem's A Perfect Vacuum (1971).
With a range of specifications, there is the perfect vacuum packer to cater for everyone's different requirements.
Though the breeze was carrying the smoke in the opposite direction, the air was stifling and it was getting more stifling by the minute, as if in a more and more perfect vacuum.