• Webster's Revised Unabridged Dictionary
    • Radication (Bot) The disposition of the roots of a plant.
    • Radication The process of taking root, or state of being rooted; as, the radication of habits.
    • ***
Century Dictionary and Cyclopedia
    • n radication The process of taking root, or the state of being rooted.
    • n radication In botany, the manner in which roots grow or are arranged.
    • n radication In zoology, fixation at the base, as if rooted; the state of being radicate or radicated.
    • ***
Chambers's Twentieth Century Dictionary
    • ns Radication the act or process of radicating or taking root deeply:
    • ns Radication (bot.) the disposition of the root with respect to the ascending or descending stem
    • ***


  • Walter Lippmann
    “Our conscience is not the vessel of eternal verities. It grows with our social life, and a new social condition means a radical change in conscience.”
  • Mark Twain
    “The radical invents the views. When he has worn them out, the conservative adopts them.”
  • Mark Twain
    “The radical of one century is the conservative of the next. The radical invents the views. When he has worn them out, the conservative adopts them.”
  • Oscar Wilde
    “He thinks like a Tory, and talks like a Radical, and that's so important nowadays.”
  • Angela Y. Davis
    Angela Y. Davis
    “Radical simply means grasping things at the root.”
  • Robert Frost
    “I never dared to be radical when young for fear it would make me conservative when old.”


Webster's Revised Unabridged Dictionary
Cf. F. radication,
Chambers's Twentieth Century Dictionary
L. radicāri, -ātus, to take root—radix, a root.


In literature:

I thought you were so devilish hot against the Radicals.
"The Duke's Children" by Anthony Trollope
How came you to be talking to such a sanctified imposter; and, I believe, with all his fine phrases, a complete radical.
"Sybil or the Two Nations" by Benjamin Disraeli
Hiram Johnson would have enjoyed the French Revolution, if accident had made him radical at that time.
"The Mirrors of Washington" by Anonymous
Still, when I get down to Polterham I shall call myself a Radical.
"Denzil Quarrier" by George Gissing
I believe he is a clever boy; only such a dreadful Radical.
"Demos" by George Gissing
Everard went to Eton, and the school had a remarkable effect upon him; it made him a furious Radical.
"The Odd Women" by George Gissing
How can it be a Radical Reform Bill?
"The English Constitution" by Walter Bagehot
If yer feel low and Radical, vote Radical.
"The Fortunate Youth" by William J. Locke
Tories dread the restlessness of Radicals, and Radicals are in awe of the organization of Tories.
"Beauchamp's Career, Complete" by George Meredith
He wanted radical reforms, but would have preferred to gain them in a constitutional way, like Pym, in the English Revolution.
"Beacon Lights of History, Volume IX" by John Lord
Consideration, however, will show that there is a radical difference.
"Scientific American Supplement, No. 492, June 6, 1885" by Various
It is time, high time, that this silly and injurious attitude toward a practice, which is very common, be radically changed.
"Woman" by William J. Robinson
A young scholar with Radical leanings knows that he will not be called to Berlin.
"German Problems and Personalities" by Charles Sarolea
He was a violent Tory, and had heard much of the Keswick Radical.
"Lady Anna" by Anthony Trollope
Baldwin dreamed of a consistently Radical cabinet.
"British Supremacy & Canadian Self-Government" by J. L. Morison
At that time she had insisted on a complete and radical change for herself.
"The "Genius"" by Theodore Dreiser
Five members out of every six in the house were Radicals, six out of seven of the sections of the house were Radical.
"Romantic Spain" by John Augustus O'Shea
I was a horrible Radical, setting class against class!
"From Crow-Scaring to Westminster; an Autobiography" by George Edwards M.P., O.B.E.
There was nothing radical about the proceedings.
"Bygones Worth Remembering, Vol. 1 (of 2)" by George Jacob Holyoake
These dreadful materialist doctrines of the radical crowd are wooden guns, no thicker than the soap-box.
"The Behavior of Crowds" by Everett Dean Martin

In poetry:

I think that Samuel Johnson said
His side had won the day,
Had not we women radicals
Just got right in the way.
"The Deliverance" by Frances Ellen Watkins
Then, in the future that we see,
Bamford, the Radical, shall live anew,
And be proclaim'd abroad, as he
Who fought for Freedom when her friends were few!
"Lines, to Mr. Samuel Bamford, on his seventy-sixth birthday, February 28th, 1864." by Samuel Bamford
So I turn tory for the nonce,
And think the radical a bore,
Who cannot see, thick-witted dunce,
That what was good for people once
Must be as good forevermore.
"The Optimist" by James Russell Lowell

In news:

The head of the BBC's governing body said Sunday the broadcaster needs a radical overhaul following the resignation of its chief executive in wake of a scandal over a botched report on child sex-abuse allegations.
Film Radical Light, gnarly film & video program.
In December 1945, in the Upper Egyptian desert, an Arab peasant made an astonishing discovery of thirteen papyrus books—a discovery that is radically changing our understanding of the early Christians, their church, and their beliefs.
Head BBC's governing body calls for radical overhaul over sex abuse allegations scandal.
A Graphical Look at the Radical Transformation of Rupert Murdoch's News Corp. AMERICAN HORROR STORY.
Apparently camera technology has radically improved since the 80's and now you can actually SEE the subjects in photos.
Get to know Saul Alinsky and Rules "for Radicals".
They have come for sandwiches, and for spiritual sustenance, and before long they are floating radical ideas: Work less.
Nigerian soldiers angry about the killing of an officer shot dead more than 30 civilians Monday in a northeastern city long under siege by a radical Islamist sect.
Gurney will build the radical 2-seater.
"If (the Julyna campaign) wanted to be really radical, they would encourage women to stop shaving their pubic area for the month of July," Dault suggested.
A critique of radicalism is building within the heart of the Muslim world.
When the governor of Michigan ran for the Republican nomination, in 1968, he tried to stand up against the more radical wing of his party.
Peter King's witnesses at his hearing on radicalization in the Muslim American community painted Muslims as dupes or as untrustworthy citizens.
Hasan had intensified contact with radical Yemeni American cleric.

In science:

Interestingly enough, while this possibility is unrealizable in the standard one-adjoint case , the situation radically changes when two adjoint scalar fields are used or, equally, when the non-renormalisable higher-order Σ terms are included .
From Prototype SU(5) to Realistic SU(7) SUSY GUT
However, in case (iv), the basic adjoint Σ develops the radically new missing VEV vacuum configuration (4), thus giving a ′′double breaking′′ of SU (N ) to (5).
From Prototype SU(5) to Realistic SU(7) SUSY GUT
Paolo Ruffini (1803) gave a proof that the Quintic is not solvable with radicals.
On the Complete Solution to the Most General Fifth Degree Polynomial
We find the radical and semisimple quotient of the semigroup algebra RS using ideas of Bidigare , and from this we can read off the irreducible representations of S .
Semigroups, rings, and Markov chains
In Section 7.2 we compute the radical and semisimple quotient of the semigroup algebra.
Semigroups, rings, and Markov chains
One can express the first sentence of Theorem 3 by saying that J is the radical of the ring kS and that kL is the semisimple quotient.
Semigroups, rings, and Markov chains
We give the proof, for the convenience of readers not familiar with the concepts of radical and semisimple quotient.
Semigroups, rings, and Markov chains
There has been interest recently in giving explicit formulas for orthogonal families of idempotents in the descent algebra that lift the primitive idempotents of the algebra mod its radical.
Semigroups, rings, and Markov chains
Since it has been clear that the concept of space in the presence of nearby D–branes is radically modified.
Renormalization of noncommutative U(N) gauge theories
We show that this definition has a natural generalization in the context of shortly graded simple Lie algebras corresponding to parabolic subgroups with aura (abelian unipotent radical) in simple complex Lie groups, or equivalently in the context of simple complex Jordan pairs.
Moore-Penrose inverse, parabolic subgroups, and Jordan pairs
Suppose further that P is a parabolic subgroup of G with abelian unipotent radical (with aura).
Moore-Penrose inverse, parabolic subgroups, and Jordan pairs
Here p = g0 ⊕ g1 is a Lie algebra of P and exp g1 is the abelian unipotent radical of P .
Moore-Penrose inverse, parabolic subgroups, and Jordan pairs
By Pyasetsky theorem [P] this holds if and only if P has finitely many orbits in the dual module (g/p)∗ , or, equivalently, in the unipotent radical of P .
Moore-Penrose inverse, parabolic subgroups, and Jordan pairs
It is well-known that H is an affine subspace in g such that the corresponding linear subspace is precisely the unipotent radical zu g (e) of the centralizer zg (e) in g of the element e.
Moore-Penrose inverse, parabolic subgroups, and Jordan pairs
Radical transformations in capability require radically new approaches.
A Near-Term Quantum Computing Approach for Hard Computational Problems in Space Exploration