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impenetrability

[im-pen-i-truh-bil-i-tee, im-pen-] /ɪmˌpɛn ɪ trəˈbɪl ɪ ti, ˌɪm pɛn-/
noun
1.
the state or quality of being impenetrable.
2.
Physics. that property of matter by virtue of which two bodies cannot occupy the same space simultaneously.
Origin of impenetrability
1655-1665
1655-65; impenetr(able) + -ability
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for impenetrability
Historical Examples
  • A great physicist tells us that, when dealing with sufficiently high speeds, matter has no such property as impenetrability.

    Carmen Ariza Charles Francis Stocking
  • But, of course, with his English impenetrability, nobody can tell what he thinks.

  • By long residence in Holland, he had adopted a good portion of Dutch impenetrability and slowness.

    Before and after Waterloo Edward Stanley
  • The impenetrability of the embodied Gould Concession had its surface shades.

  • The cotton-wool experiment is therefore no contradiction of impenetrability.

    The Boy's Playbook of Science John Henry Pepper
  • Hence arises her impenetrability to whatever is true in Western thought.

  • The towering closeness of these on each hand, their impenetrability, and their ponderousness, are felt as a physical pressure.

  • This impenetrability and something mulish in her attitude annoyed him.

    Saint's Progress John Galsworthy
  • Nothing was more remarkable than his impenetrability to ridicule and censure.

    Arthur Mervyn Charles Brockden Brown
  • Monroe, in his impenetrability, did not see anything unusual.

    Edith and John Franklin S. Farquhar

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