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the quantity that registers a reading of zero on a scale a mathematical element that when added to another number yields the same number adjust (as by firing under test conditions) the zero of (a gun); "He zeroed in his rifle at 200 yards" adjust (an instrument or device) to zero value indicating the absence of any or all units under consideration; "a zero score" cardinal indicating an initial point or origin ordinal of or relating to the null set (a set with no members) a quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn''t hear zilch about it" |
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