impermeable | more impermeable | most impermeable[Add to Longdo]
Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Impermeable \Im*per"me*a*ble\, a. [Pref. im- not + permeable:
cf. F. imperm['e]able, L. impermeabilis.]
Not permeable; not permitting passage, as of a fluid. through
its substance; impervious; impenetrable; as, India rubber is
impermeable to water and to air. -- {Im*per"me*a*ble*ness},
n. -- {Im*per"me*a*bly}, adv.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
impermeable
adj 1: preventing especially liquids to pass or diffuse through;
"impermeable stone"; "an impermeable layer of scum"; "a
coat impermeable to rain" [ant: {permeable}]
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