Radical - definition, pronunciation, transcription

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Amer.  |ˈrædɪkl|  American pronunciation of the word radical
Brit.  |ˈrædɪk(ə)l|  British pronunciation of the word radical

noun

- (chemistry) two or more atoms bound together as a single unit and forming part of a molecule (syn: group)
- 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
in the body free radicals are high-energy particles that ricochet wildly and damage cells
- a person who has radical ideas or opinions
- (mathematics) a quantity expressed as the root of another quantity
- a character conveying the lexical meaning of a logogram
- (linguistics) the form of a word after all affixes are removed (syn: base, root, stem, theme)

adjective

- (used of opinions and actions) far beyond the norm (syn: extremist, ultra)
radical opinions on education
- markedly new or introducing radical change (syn: revolutionary)
radical political views
- arising from or going to the root or source
a radical flaw in the plan

Extra examples

The computer has introduced radical innovations.

There are some radical differences between the two proposals.

The new president has made some radical changes to the company.

He was a radical when he was young, but now he's much more moderate.

...radicals staged large, violent protests in the hopes of toppling the government...

They are proposing radical changes to the way the company is run.

There are radical differences between the two organizations.

He has put forward some very radical ideas.

I was shocked by her radical views.

That was one radical party last night!

There is nothing especially radical about that idea.

She wrote a radical critique of the philosopher's early essays.

...the militancy of the radical organization made the authorities a little nervous...

She was ostracized from the scientific community for many years because of her radical political beliefs.

What was radical thinking in times past has become received wisdom today.

Word forms

noun
singular: radical
plural: radicals
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