| bombproof | (noun) a chamber (often underground) reinforced against bombing and provided with food and living facilities; used during air raids | Synonyms: air-raid shelter, bomb shelter |
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| disproof | (noun) the act of determining that something is false | Synonyms: falsification, falsifying, refutal, refutation |
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| (noun) any evidence that helps to establish the falsity of something | Synonyms: falsification, refutation |
| proof | (noun) the act of validating; finding or testing the truth of something | Synonyms: substantiation, validation |
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| (noun) a trial photographic print from a negative | - |
| (noun) any factual evidence that helps to establish the truth of something | Synonyms: cogent evidence |
| (noun) a formal series of statements showing that if one thing is true something else necessarily follows from it | - |
| (noun) (printing) an impression made to check for errors | Synonyms: test copy, trial impression |
| (noun) a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume) | - |
| proofreader | (noun) someone who reads proof in order to find errors and mark corrections | Synonyms: reader |
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| reproof | (noun) an act or expression of criticism and censure | Synonyms: rebuke, reprehension, reprimand, reproval |
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| taproom | (noun) a room or establishment where alcoholic drinks are served over a counter | Synonyms: bar, barroom, ginmill, saloon |
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| taproot | (noun) something that provides an important central source for growth or development | - |
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| (noun) (botany) main root of a plant growing straight downward from the stem | - |
| uprooter | (noun) a person who destroys or ruins or lays waste to | Synonyms: destroyer, ruiner, undoer, waster |
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| waterproof | (noun) a water-resistant coat | Synonyms: raincoat |
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| (noun) any fabric impervious to water | - |
| waterproofing | (noun) the act of treating something to make it repel water | Synonyms: sealing |
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| (noun) a coating capable of making a surface waterproof | - |
| waterproofness | (noun) The condition of being so tightly made that water cannot enter or escape. | Synonyms: watertightness |
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