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..
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.
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..
Puddle :: Puddle (v. t.) To make impervious to liquids by means of puddle; to apply puddle to.
Waterproof :: Waterproof (n.) A substance or preparation for rendering cloth, leather, etc., impervious to water..
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..
Waterproof :: Waterproof (v. t.) To render impervious to water, as cloth, leather, etc..
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..
Gastight :: Gastight (a.) So tightly fitted as to preclude the escape of gas; impervious to gas.
Star-read :: Starproof (a.) Impervious to the light of the stars; as, a starproof elm..
Opaqueness :: Opaqueness (n.) The state or quality of being impervious to light; opacity.
Opaque :: Opaque (a.) Impervious to the rays of light; not transparent; as, an opaque substance..
Intranscalent :: Intranscalent (a.) Impervious to heat; adiathermic.
Puddle :: Puddle (n.) Clay, or a mixture of clay and sand, kneaded or worked, when wet, to render it impervious to water..
Puddling :: Puddling (n.) The process of working clay, loam, pulverized ore, etc., with water, to render it compact, or impervious to liquids; also, the process of rendering anything impervious to liquids by means of puddled material..
Deafening :: Deafening (n.) The act or process of rendering impervious to sound, as a floor or wall; also, the material with which the spaces are filled in this process; pugging..
Imperviable :: Imperviable (a.) Not pervious; impervious.
Impenetrably :: Impenetrably (adv.) In an impenetrable manner or state; imperviously.
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..
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..
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