Vacuum

Pump tae demonstrate vacuum

Vacuumisspacethat is devoid omatter.The wird stems frae the Laitin adjectivevacuusfor "vacant" or "void". An approximation tae sic vacuum is a region wi a gaseouspressurmuch less noratmospheric pressur.Pheesicists eften discuss ideal test results that wad occur in aperfectvacuum, which thay whiles simply caw "vacuum" orfree space,an uise the termpairtial vacuumtae refer tae an actual imperfect vacuum as ane micht hae in alaboratoryor inspace.The Laitin termin vacuois uised tae describe an object as bein in whit wad itherwise be a vacuum.