释义 |
imperviousness [f. as prec. + -ness.] The quality of being impervious; impenetrability.
1727in Bailey vol. II. (Hence in Johnson, etc.) 1869Tyndall Notes Lect. Light §137 To a similar cause is due the whiteness and imperviousness of common salt, and of transparent bodies generally when crushed to powder. 1896Duke of Argyll Philos. Belief 77 A modification of the same substance supplies imperviousness to the passage of air. |