vacua


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Related to vacua: in a vacuum, Vacuo

vac·u·a

 (văk′yo͞o-ə)
n.
A plural of vacuum.

vacua

(ˈvækjʊə)
n
a plural of vacuum
References in classic literature ?
Hem believes that in the visible world there are void places-- vacua, and something more--holes, as it were, through which animate and inanimate objects may fall into the invisible world and be seen and heard no more.