Impenetrability

Im-penˊe-tra-bil′i-ty

,

Noun.

[Cf. F.

impénétrabilité

.]

1.

Quality of being impenetrable.

2.

(Physics)

That property in virtue of which two portions of matter can not at the same time occupy the same portion of space.

3.

Insusceptibility of intellectual or emotional impression; obtuseness; stupidity; coldness.

,

Noun.

[from impenetrable.]

1.

The quality of being impenetrable.

2.

In philosophy, that quality of matter which prevents two bodies from occupying the same space at the same time.

3.

Insusceptibility of intellectual impression.

impenetrability ‎(plural impenetrabilities)

the characteristic of being impenetrable