radical sign
noun Date: 1668 the sign √ placed before an expression to denote that the square root is to be extracted or that the root marked by an index (as in ∛ for the cube root) is to be extracted

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Radical sign — Radical Rad i*cal (r[a^]d [i^]*kal), a. [F., fr. L. radicalis having roots, fr. radix, icis, a root. See {Radix}.] 1. Of or pertaining to the root; proceeding directly from the root. [1913 Webster] 2. Hence: Of or pertaining to the root or… …   The Collaborative International Dictionary of English

  • radical sign — ► NOUN Mathematics ▪ the sign which indicates the square root of the number following (or a higher root indicated by a preceding superscript numeral) …   English terms dictionary

  • radical sign — n. the sign (√ or √ ) used before a quantity to indicate that the square root (or a specified root indicated by an imposed index number) is to be extracted: derived from the r in Latin radix, root …   English World dictionary

  • radical sign — sign placed before a number indicating that a root is to be extracted (Mathematics) …   English contemporary dictionary

  • radical sign — noun a sign indicating the extraction of a root • Hypernyms: ↑sign …   Useful english dictionary

  • radical sign — noun Mathematics the sign √ which indicates the square root of the number following (or a higher root indicated by a preceding superscript numeral) …   English new terms dictionary

  • radical sign — rad′ical sign n. Math. math. the symbol √ or ^(1/2) indicating extraction of a root of the quantity that follows it, as √25=5 …   From formal English to slang

  • radical sign — Math. the symbol indicating extraction of a root of the quantity that follows it. [1660 70] * * * …   Universalium

  • radical sign — /ˌrædɪkəl ˈsaɪn/ (say .radikuhl suyn) noun the symbol √ (initially the first letter of radix) indicating extraction of a root of the following quantity …   Australian English dictionary

  • Radical — Rad i*cal (r[a^]d [i^]*kal), a. [F., fr. L. radicalis having roots, fr. radix, icis, a root. See {Radix}.] 1. Of or pertaining to the root; proceeding directly from the root. [1913 Webster] 2. Hence: Of or pertaining to the root or origin;… …   The Collaborative International Dictionary of English

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