- a quantity expressed as a root of another quantity.
- the set of elements of a ring, some power of which is contained in a given ideal.
- radical sign.
- radiative zone,
- radiator grille,
- radical axis,
- radical chic,
- radical empiricism,
- radical expression,
- radical hysterectomy
Origin of radical
Examples from the Web for radical
But Brooke was out of step with the New Left and its notion of radical chic.Ed Brooke: The Senate's Civil Rights Pioneer and Prophet of a Post-Racial America|John Avlon|January 4, 2015|DAILY BEAST
He has become the most radical pope in modern memory for his economic populism.
Two hostages are dead and 15 others free after an Islamic radical took them hostage before police killed him.
The event grew out of an anti-consumerist action by the Danish radical theater collective Solvognen.Before the Bros, SantaCon Was as an Anti-Corporate Protest|David Freedlander|December 12, 2014|DAILY BEAST
Just last year, over 200 Nigerian girls were kidnapped from their school by the radical Islamist group Boko Haram.Promoting Girls’ Education Isn’t Enough: Malala Can Do More|Paula Kweskin|December 9, 2014|DAILY BEAST
Words are transformed in passing from language to language, and nevertheless retain their radical.Delsarte System of Oratory|Various
The military President who assumed power in 1876 was too radical to suit the clericals and too clerical to suit the radicals.The Hispanic Nations of the New World|William R. Shepherd
And yet we do all we can; the Radical Association tries to stir them up.The Bishop's Apron|W. Somerset Maugham
Mr. Roosevelt (this was said sub rosa) had not been too Radical, but too frank.Ten Years Near the German Frontier|Maurice Francis Egan
For reasons hereinafter fully set forth, I believe they have been somewhat too sweeping, and too radical.The Philippines: Past and Present (Volume 1 of 2)|Dean Conant Worcester
Word Origin for radical
late 14c., in a medieval philosophical sense, from Late Latin radicalis "of or having roots," from Latin radix (genitive radicis) "root" (see radish). Meaning "going to the origin, essential" is from 1650s. Radical sign in mathematics is from 1680s.
Political sense of "reformist" (via notion of "change from the roots") is first recorded 1802 (n.), 1817 (adj.), of the extreme section of the British Liberal party (radical reform had been a current phrase since 1786); meaning "unconventional" is from 1921. U.S. youth slang use is from 1983, from 1970s surfer slang meaning "at the limits of control." Radical chic is attested from 1970; popularized, if not coined, by Tom Wolfe. Radical empiricism coined 1897 by William James (see empiricism).
1630s, "root part of a word, from radical (adj.) Political sense from 1802; chemical sense from 1816.
In politics, someone who demands substantial or extreme changes in the existing system.