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Radical   /rˈædəkəl/  /rˈædɪkəl/   Listen
Radical

adjective
1.
(used of opinions and actions) far beyond the norm.  Synonyms: extremist, ultra.  "Radical opinions on education" , "An ultra conservative"
2.
Markedly new or introducing radical change.  Synonym: revolutionary.  "Radical political views"
3.
Arising from or going to the root or source.
4.
Of or relating to or constituting a linguistic root.
5.
Especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem.  Synonym: basal.  "Radical leaves"  Antonym: cauline.
noun
1.
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule.  Synonyms: chemical group, group.
2.
An atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule.  Synonym: free radical.
3.
A person who has radical ideas or opinions.
4.
(mathematics) a quantity expressed as the root of another quantity.
5.
A character conveying the lexical meaning of a logogram.
6.
(linguistics) the form of a word after all affixes are removed.  Synonyms: base, root, root word, stem, theme.



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"Radical" Quotes from Famous Books



... for the age of miraculous events he lived in. In America, he was a Revolutionary hero of the first rank, who carried letters in his pocket from George Washington, thanking him for his services. And he managed besides to write his radical name in large letters in the History of England and of France. As a mere literary workman, his productions deserve notice. In mechanics, he invented and put up the first iron bridge of large span in England; the boldness of the attempt still excites the admiration of engineers. He may ...
— Atlantic Monthly, Vol. 4, No. 21, July, 1859 • Various

... of what the Society is doing for the Chinese, especially of what it ought to have the power and the commission given it to do, is fitted to be peculiarly impressive, as an object lesson, to the nation. The radical character of a nation comes out in no other way so distinctively, as in the way it treats its weakest and most ...
— The American Missionary, Volume 42, No. 12, December, 1888 • Various

... began, and when, like the pre-Judges time in Israel, every man did as he pleased, the inevitable inconvenience of that ultra-radical paradise led the small community to seek out a male Deborah, and, with one accord, they made choice of James Simpson, their early fellow-emigrant in the tide from Launceston. Had there been even a much larger society, the choice would probably have been ...
— Personal Recollections of Early Melbourne & Victoria • William Westgarth

... Jamaica Gazette of Aug. 4th, a paper of the Old School—"In spite of all the endeavours of a clique of self-interested agitators, clerical humbug and radical rabble, to excite the bad passions of the sable populace against those who have been the true friends of Colonial freedom, and the conservators of the public peace and prosperity of the country, the bonfire, bull-roast, and malignant ...
— The Anti-Slavery Examiner, Omnibus • American Anti-Slavery Society

... career, and by which he had arrived at his pitch of greatness, was exactly the same with which he himself, Vivian Grey, had started in life; which he had found so fatal in its consequences; which he believed to be so vain in its principles. How was this? What radical error had he committed? It required little consideration. Thirty, and more than thirty, years had passed over the head of Beckendorff ere the world felt his power, or indeed was conscious of his existence. ...
— Vivian Grey • The Earl of Beaconsfield


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