the symbol √ or indicating extraction of a root of the quantity that follows it, as √25=5 or .
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How to use radical sign in a sentence
The radical sign (√) was derived from the initial letter of the word radix.The Scrap Book, Volume 1, No. 3 | Various
British Dictionary definitions for radical sign
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√
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