Hypertext Webster Gateway: "impenetrability"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Impenetrability \Im*pen`e*tra*bil"i*ty\, n. [Cf. F.
imp['e]n['e]trabilit['e].]
1. Quality of being impenetrable.
2. (Physics) That property in virtue of which two portions of
matter can not at the same time occupy the same portion of
space.
3. Insusceptibility of intellectual or emotional impression;
obtuseness; stupidity; coldness.
From WordNet (r) 1.7 (wn)
impenetrability
n 1: resistance to penetration by a liquid [syn: {imperviousness}]
[ant: {penetrability}, {penetrability}]
2: incomprehensibility by virtue of being too dense to
understand [syn: {impenetrableness}]
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