radical sign
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noun Mathematics.
the symbol √ or indicating extraction of a root of the quantity that follows it, as √25=5 or .
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Origin of radical sign
First recorded in 1660–70
Words nearby radical sign
radicalize, radical left, radically, radical mastectomy, radical right, radical sign, radicand, radicant, radicchio, radicel, radices
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for radical sign
British Dictionary definitions for radical sign
radical sign
noun
the symbol √ placed before a number or quantity to indicate the extraction of a root, esp a square root. The value of a higher root is indicated by a raised digit in front of the symbol, as in ³√
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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