follow Dictionary.com

8 Wintry Words to Defrost Your Vocabulary

radical sign

noun, Mathematics
1.
the symbol √ or indicating extraction of a root of the quantity that follows it, as √25=5 or .
Origin
1660-1670
1660-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for radical sign

radical sign

noun
1.
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
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for radical sign

Few English speakers likely know this word

Word Value for radical

10
12
Scrabble Words With Friends