# radical sign

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## radical sign

*n.*

*Mathematics*

**1.**The sign √ placed before a quantity, indicating extraction of the root designated by a raised integer. When extracting a square root, the raised integer is customarily omitted.

**2.**The radical sign together with a horizontal bar extending from its top to the end of the expression from which a root is to be extracted.

## radical sign

*n*

(Mathematics) 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}√## rad′ical sign`

*n.*

*Math.*

the symbol √ or ^(1/2) indicating extraction of a root of the quantity that follows it, as √25=5.

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Noun | 1. | radical sign - a sign indicating the extraction of a rootsign - a character indicating a relation between quantities; "don't forget the minus sign" |

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## radical sign

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