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| crux [ kruks ] (plural crux·es or cru·ces [ kr sz ]) |
noun |
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| Definition: |
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1. crucial point: an essential or deciding point or element in something, e.g. in an argument
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2. puzzling problem: an extremely difficult or puzzling problem
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3. climbing arduous part of climb: the most demanding part of a climb up a mountain or rocks
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| [Mid-17th century. < Latin, "cross"] |
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