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radical sign

noun

Definition of radical sign

  1. :  the sign √ ̅ or √ placed before an expression to denote that the square root is to be extracted or that the root marked by an index (as in ∛ ̅ or ∛ for the cube root) is to be extracted



1668

First Known Use of radical sign

1668


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to proceed clumsily or ineffectually

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