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  2. Radical - Wikipedia

    en.wikipedia.org/wiki/Radical

    Radical expression involving roots, also known as an nth root; Radical symbol (√), used to indicate the square root and other roots; Radical of an algebraic group, a concept in algebraic group theory; Radical of an ideal, an important concept in abstract algebra; Radical of a ring, an ideal of "bad" elements of a ring

  3. Radical (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Radical_(chemistry)

    The hydroxyl radical, Lewis structure shown, contains one unpaired electron. Lewis dot structure of a Hydroxide ion compared to a hydroxyl radical. In chemistry, a radical, also known as a free radical, is an atom, molecule, or ion that has at least one unpaired valence electron.

  4. List of Latin words with English derivatives - Wikipedia

    en.wikipedia.org/wiki/List_of_Latin_words_with...

    This is a list of Latin words with derivatives in English language.. Ancient orthography did not distinguish between i and j or between u and v. [1] Many modern works distinguish u from v but not i from j.

  5. List of words having different meanings in American and ...

    en.wikipedia.org/wiki/List_of_words_having...

    different or interesting, exceptional; synonym for cool (short for "radical") [43] [56] [57] railroad tramway (obsolete) (v.) to coerce to convict with undue haste or with insufficient evidence the general term for the system of mass transit using trains running on rails: see usage of the terms railroad and railway (v.) to work on the railroad

  6. Root (linguistics) - Wikipedia

    en.wikipedia.org/wiki/Root_(linguistics)

    A root (also known as a root word or radical) is the core of a word that is irreducible into more meaningful elements. [1] In morphology , a root is a morphologically simple unit which can be left bare or to which a prefix or a suffix can attach.

  7. Radicalism in the United States - Wikipedia

    en.wikipedia.org/wiki/Radicalism_in_the_United...

    Radical Republicans sought to guarantee civil rights for African Americans, ensure that the former Confederate states had limited power in the federal government, and promote free market capitalism in the South in place of a slave based economy. Many Radical Republicans were also supportive of Labor Unions, though this element would fade over time.

  8. Nested radical - Wikipedia

    en.wikipedia.org/wiki/Nested_radical

    In algebra, a nested radical is a radical expression (one containing a square root sign, cube root sign, etc.) that contains (nests) another radical expression. Examples include Examples include 5 − 2 5 , {\displaystyle {\sqrt {5-2{\sqrt {5}}\ }},}

  9. Radical of an integer - Wikipedia

    en.wikipedia.org/wiki/Radical_of_an_integer

    In number theory, the radical of a positive integer n is defined as the product of the distinct prime numbers dividing n. Each prime factor of n occurs exactly once as a factor of this product: r a d ( n ) = ∏ p ∣ n p prime p {\displaystyle \displaystyle \mathrm {rad} (n)=\prod _{\scriptstyle p\mid n \atop p{\text{ prime}}}p}