The inability of two-bodies to take exactly the same room at the same time.
The feature of being impenetrable; invulnerability.
Quality of being impenetrable.
That property in virtue which two portions of matter can not at precisely the same time entertain similar percentage of space.
Insusceptibility of intellectual or psychological impression; obtuseness; stupidity; coldness.
The character or condition of being impenetrable; incapability to be penetrated, in just about any sense of that term.
In physics, particularly, that residential property of matter which prevents two bodies from occupying similar space as well; that property of matter by which it excludes other matter through the room it consumes.
the standard of becoming impenetrable (by people or light or missiles etc.)
incomprehensibility by virtue of being also heavy to know