blister

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blis·ter / ˈblistər/ • n. a small bubble on the skin filled with serum and caused by friction, burning, or other damage. ∎  a similar swelling, filled with air or fluid, on the surface of a plant, heated metal, painted wood, or other object.• v. 1. [intr.] form swellings filled with air or fluid on the surface of something: the surface of the door began to blister [as adj.] (blistered) he had blistered feet. ∎  [tr.] cause blisters to form on the surface of: a caustic liquid that blisters the skin.2. criticize sharply: they came out and blistered the girls for pulling leaves off a chestnut tree.

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