impenetrability
[ im-pen-i-truh-bil-i-tee, im-pen- ]
/ ɪmˌpɛn ɪ trəˈbɪl ɪ ti, ˌɪm pɛn- /
noun
the state or quality of being impenetrable.
Physics.
that property of matter by virtue of which two bodies cannot occupy the same space simultaneously.
Origin of impenetrability
First recorded in 1655–65;
impenetr(able) +
-ability
Words nearby impenetrability
impellent,
impeller,
impend,
impendent,
impending,
impenetrability,
impenetrable,
impenitent,
impennate,
imper.,
imperatival