from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The extent to which something is penetrable

from the GNU version of the Collaborative International Dictionary of English

  • n. The quality of being penetrable; susceptibility of being penetrated, entered, or pierced.

from The Century Dictionary and Cyclopedia

  • n. Susceptibility of being penetrated; capability of occupying a place occupied at the same time by something else.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the quality of being penetrable (by people or light or missiles etc.)


Sorry, no etymologies found.


  • Thus every chemical element, when irradiated by X-rays, emits two rays of different penetrability, that is to say, every element can by fluorescence emit an X-ray spectrum of two lines or line-groups, the so-called K-series and L-series.

    Nobel Prize in Physics 1917 - Presentation

  • U.S. repatriate Billie Cohen, a New York magazine editor who once worked in Singapore, chalked the country's low penetrability rating up to a well-organized expat network.

    World's Friendliest Countries

  • Ambassador Munteanu: Moldova is one of the most open world economies in terms of access to the market and penetrability of foreign goods.

    Rahim Kanani: An Interview With Igor Munteanu, Ambassador of the Republic of Moldova to the USA and Canada

  • "We began tests on the penetrability and connectivity of the registry," he said.

    Czech Emissions Registry Set to Reopen

  • The debate is the next day, so Cox wants to run out to the library to scout out its penetrability.


  • Both isotropy and Quineanness are features that preclude encapsulation, since their possession by a system would require potentially unlimited access to the contents of central memory, and hence cognitive penetrability to the max.

    Modularity of Mind

  • [N] othing about any of the findings we have discussed establishes the synchronic cognitive penetrability of the Müller-Lyer stimuli.

    Modularity of Mind

  • Susceptibility to the Müller-Lyer illusion, theory-neutral observation, and the diachronic penetrability of the visual input system.

    Modularity of Mind

  • In a subsequent paper, Pylyshyn (1978) introduced an important new argument against pictorialism, based on the concepts (which he introduced) of cognitive penetrability and impenetrability.

    His Name Was Do Re Mi

  • However that may be, I wish, for the novelty of the thing, that this incomprehensible penetrability could be admitted.

    A Philosophical Dictionary


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