- Clean (carpet) - Cleaning machine - Entirely empty space - Space completely empty of matter - there's nothing in it for cleaner - Via a club, um, Mr On-andOff gets clean - 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.