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vacuum |
Also found in: Dictionary/thesaurus, Medical, Acronyms, Idioms, Encyclopedia, Wikipedia | 0.04 sec. |
vacuumIn general, a region completely empty of matter; in physics, any enclosure in which the gas pressure is considerably less than atmospheric pressure (101,325 pascals). How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| And for years afterwards, perhaps, ships shun the place; leaping over it as silly sheep leap over a vacuum, because their leader originally leaped there when a stick was held. 3000 to the Limit--that is to say, up to the point when the blades make the air "bell"--cut out a vacuum for themselves precisely as over-driven marine propellers used to do. It would be such a vacuum as cannot be artificially produced; for if we pump the air from a receiver there remains the luminiferous ether. |
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vacuum
