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caustic |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.06 sec. |
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caustic, any strongly corrosive chemical substance, especially one that attacks organic matter. A caustic alkali is a metal hydroxide, especially that of an alkali metal; caustic soda is sodium hydroxide, and caustic potash is potassium hydroxide. Silver nitrate is another caustic substance; it is sometimes called lunar caustic. Most inorganic acids, e.g., sulfuric acid, are caustic, especially when concentrated. |
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? Mentioned in | ? References in classic literature | ||
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| There were two things to be done then-- first, to replace the absorbed oxygen; secondly, to destroy the expired carbonic acid; both easy enough to do, by means of chlorate of potassium and caustic potash. Would he obtain air by chemical means, in getting by heat the oxygen contained in chlorate of potash, and in absorbing carbonic acid by caustic potash? The count's tutor, a man of the world and a bon vivant, up to his eyes in learning, as his pupil described him, often recalled the profound erudition, the witty and caustic satire of Athos to Raoul; but as regarded grace, delicacy, and nobility of external appearance, no one in these points was to be compared to the Comte de la Fere. |
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caustic
