1 definition found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Vacuum \Vac"u*um\, n.; pl E. {Vacuums}, L. {Vacua}. [L., fr
vacuus empty. See {Vacuous}.]
1. (Physics) A space entirely devoid of matter (called also
by way of distinction, absolute vacuum); hence in a more
general sense a space, as the interior of a closed
vessel, which has been exhausted to a high or the highest
degree by an air pump or other artificial means as water
boils at a reduced temperature in a vacuum.
more about vacuums
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