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bulge, protuberance, extrusion, protrusion, jut, prominence, excrescence, bump, swelling, hump, gibbosity, gibbousness | something that bulges out or is protuberant or projects from its surroundings | |
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swelling, lump, puffiness | an abnormal protuberance or localized enlargement | |
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intumescence, intumescency, swelling | the increase in volume of certain substances when they are heated (often accompanied by release of water) |