radical

1. favouring or tending to produce extreme or fundamental changes in political, economic, or social conditions, institutions, habits of mind, etc

2. Med (of treatment) aimed at removing the source of a disease

3. of, relating to, or arising from the root or the base of the stem of a plant

4. Maths of, relating to, or containing roots of numbers or quantities

5. a person who favours extreme or fundamental change in existing institutions or in political, social, or economic conditions

6. Maths a root of a number or quantity, such as ³&#221A5, &#221Ax

7. Chem

a. short for free radical

b. another name for group

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

Radical

(religion, spiritualism, and occult)

Radical is an adjective form of the noun radix, as in the “radical” position of the planets, meaning their original position in a horoscope chart.

radical

[′rad·ə·kəl]

(botany)

Of, pertaining to, or proceeding from the root.

Arising from the base of a stem or from an underground stem.

(mathematics)

In a ring, the intersection of all maximal ideals. Also known as Jacobson radical.

An indicated root of a quantity. Symbolized √.

nilradical

(organic chemistry)

free radical

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Radical

(1) In capitalist countries, a member of a political party that demands in its program bourgeois-democratic reforms within the framework of the existing system.

(2) One who advocates a radical solution to problems.

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References in periodicals archive

'Rather than repeating this cycle, we have made the decision to re-focus Radical on what it does best, what our team loves to do, and what our clients most appreciate us for.

RADICAL ENOUGH TO HALF REVENUES

If the current war on drugs is not bringing the desired impact but even adds more problems with thousands killed, justified or not, then it is not radical enough.

Is radical bad?

That said, any academic designing a course in politics and hoping to inject some radical thought into the mix would do well to consider adopting some of these entries as readings, especially since many of them lead invitingly from condensed, digestible coverage of the idea at hand towards more in-depth referencing of external literature.

Keywords for Radicals: The Contested Vocabulary of Late-Capitalist Struggle

For our investigation, it was important to determine the most stable isomers of the glycine radicals. Among the four possible isomers are the ones from which one hydrogen atom is abstracted from either the C atom, or the N atom (see Fig.

Theoretical semi-empirical study of the glycine molecule interaction with fullerene [C.sub.60]

The Institute for Radical Forgiveness was founded in 1998 and has since trained hundreds of coaches and therapy practitioners who are now helping people heal their lives through Radical Forgiveness and the Radical Living Strategies.

Colin Tipping Announces New Online Program: Radical Grieving

A.: Free radicals are a product of a chemical reaction that is generated any time a person breathes oxygen.

Antioxidants as defenders: an interview with Kedar Prasad, Ph.D

Free radical scavengers actively search free radicals and bind them before they attach themselves to molecules and cause cross-linking.

The role of free radicals in the aging process

Hartley's also use the Radical ozonated water system that effectively kills bacteria, viruses, parasites and moulds when used as a sanitising wash down on contact surfaces and equipment.

Hartleys Farm Foods adopts radical sanitising system

The Radical Republicans were animated by their belief in big government--even Marxism--and they supported whatever degree of rancor or even further bloodshed necessary to centralize power in Washington and impose their ideology on North and South alike.

Andrew Johnson, unreconstructed: President Andrew Johnson steadfastly upheld the Constitution and the rule of law as he opposed those who sought to rule the defeated Confederate states with an iron fist

The verdict and sentence produced outrage among radicals who compared such lenient treatment with what those of a lower social class were accustomed to receive for lesser offences.

Lords of Misrule: Hostility to Aristocracy in Late Nineteenth- and Early Twentieth-Century Britain

Chapters 4 and 5 continue to explore the larger consequences of radical evil for society.

Rossi, Philip J. The Social Authority of Reason: Kant's Critique, Radical Evil, and the Destiny of Humankind

In American Theocracy, Phillips argues as well that today's "rogue" GOP has baked itself into "America's first religious party." Radical religion's recently ascendant power in both domestic and foreign affairs, he maintains, now threatens the United States with the same miserable fate suffered by earlier negligent empires: Christian Rome, Hapsburg Spain, eighteenth-century Netherlands, and Victorian Great Britain, in particular.

America's first religious party?