The characteristic of being impenetrable; invulnerability.
imponderability
imponderability
Noun
The state or characteristic of being imponderable.
nonpermeability
nonpermeability
noun
The property of being nonpermeable.
phenylcarbimide
presbyterianism
presbyterianism
noun
That form of church government which invests presbyters with all spiritual power, and admits no prelates over them; also, the faith and polity of the Presbyterian churches, taken collectively.