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A vacuum (pl.: vacuums or vacua) is space devoid of matter. The word is derived from the Latin adjective vacuus (neuter vacuum) meaning "vacant" or "void". An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure. Physicists often discuss ideal test results that would occur in a perfect vacuum, which they…
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Vacuum | is a | region with a gaseous pressure much less than atmospheric pressure | 0.90 | text |
| Vacuum | is a | region of space and time where all the components of the stress | 0.90 | text |
| Vacuum | is a | state with no matter particles | 0.90 | text |
| Vacuum | is a | ideal state of no particles at all | 0.90 | text |
| Roger Bacon | instance of | and later appeared in Europe from the 15th century.European scholars | 0.80 | text |
| Blasius of Parma | instance of | and later appeared in Europe from the 15th century.European scholars | 0.80 | text |
| Walter Burley in the 13th | instance of | and later appeared in Europe from the 15th century.European scholars | 0.80 | text |
| 14th century focused considerable attention on issues concerning the concept of a vacuum | instance of | and later appeared in Europe from the 15th century.European scholars | 0.80 | text |
| vacuum tubes | instance of | which is on the order of everyday objects | 0.80 | text |
| stainless steel or titanium must be considered | instance of | and even the adsorptivity of hard metals | 0.80 | text |
| Vacuum | has effect | Humans | 0.60 | section |
| Vacuum | has effect | The | 0.60 | section |
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