IMPENETRABILITY • DICTIONARY ONE.COM • Definition of Impenetrability

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noun

Impenetrability n.

Quality of being impenetrable.

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

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

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Etymology of 'Impenetrability'

Collaborative International Dictionary of English 0.48

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"Impenetrability" Quotes from Famous Books

... matter acting upon one another, by normal pressure at mathematical points of contact—of course no forces of friction are supposed. It is exceedingly interesting to see how thus, with no other postulates than inertia, rigidity, and mutual impenetrability, we can thoroughly model not only an elastic solid, and any combination of elastic solids, but so complex and recondite a phenomenon as the passage of polarized light through a magnetic field. But ...

— Scientific American Supplement, No. 460, October 25, 1884 • Various

... resume: 'How evident that in strict speech there can be no biography of an Indian-hater par excellence, any more than one of a sword-fish, or other deep-sea denizen; or, which is still less imaginable, one of a dead man. The career of the Indian-hater par excellence has the impenetrability of the fate of a lost steamer. Doubtless, events, terrible ones, have happened, must have happened; but the powers that be in nature have taken order that they shall never ...

— The Confidence-Man • Herman Melville

... did he say he'd come next?" But Rose could not tell. There were times when Rose's impenetrability was, to put ...

— The Golden Scarecrow • Hugh Walpole

Words linked to "Impenetrability" : impenetrable, imperviousness, perviousness