Definition of impervious

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Impervious (a.) Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air..

Lern More About Impervious

Pack :: Pack (n.) To render impervious, as by filling or surrounding with suitable material, or to fit or adjust so as to move without giving passage to air, water, or steam; as, to pack a joint; to pack the piston of a steam engine..
Gastight :: Gastight (a.) So tightly fitted as to preclude the escape of gas; impervious to gas.
Intranscalent :: Intranscalent (a.) Impervious to heat; adiathermic.
Puddle :: Puddle (v. t.) To make dense or close, as clay or loam, by working when wet, so as to render impervious to water..
Opaqueness :: Opaqueness (n.) The state or quality of being impervious to light; opacity.
Waterproof :: Waterproof (n.) A substance or preparation for rendering cloth, leather, etc., impervious to water..
Waterproof :: Waterproof (v. t.) To render impervious to water, as cloth, leather, etc..
Tan :: Tan (n.) To convert (the skin of an animal) into leather, as by usual process of steeping it in an infusion of oak or some other bark, whereby it is impregnated with tannin, or tannic acid (which exists in several species of bark), and is thus rendered firm, durable, and in some degree impervious to water..
Impermeable :: Impermeable (a.) Not permeable; not permitting passage, as of a fluid. through its substance; impervious; impenetrable; as, India rubber is impermeable to water and to air..
Deafen :: Deafen (v. t.) To render impervious to sound, as a partition or floor, by filling the space within with mortar, by lining with paper, etc..
Stave :: Stave (n.) To render impervious or solid by driving with a calking iron; as, to stave lead, or the joints of pipes into which lead has been run..
Impenetrably :: Impenetrably (adv.) In an impenetrable manner or state; imperviously.
Impervious :: Impervious (a.) Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air..
Imperviable :: Imperviable (a.) Not pervious; impervious.
Puddle :: Puddle (n.) Clay, or a mixture of clay and sand, kneaded or worked, when wet, to render it impervious to water..
Puddle :: Puddle (v. t.) To make impervious to liquids by means of puddle; to apply puddle to.
Waterproof :: Waterproof (a.) Proof against penetration or permeation by water; impervious to water; as, a waterproof garment; a waterproof roof..
Impenetrable :: Impenetrable (a.) Incapable of being penetrated or pierced; not admitting the passage of other bodies; not to be entered; impervious; as, an impenetrable shield..
Sunrise :: Sunproof (a.) Impervious to the rays of the sun.
Opacity :: Opacity (n.) The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.
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