radical sign


Definition of RADICAL SIGN

:  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

First Known Use of RADICAL SIGN



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July 01, 2015
precarious Hear it
not certain, secure, or steady
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