Difference between radical and ketyl

Definitions

noun

1. 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
2. (linguistics) the form of a word after all affixes are removed
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

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adjective

1. 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
2. markedly new or introducing radical change
3. (used of opinions and actions) far beyond the norm
4. of or relating to or constituting a linguistic root
5. arising from or going to the root or source

Examples

In principle, there was nothing that could not be absorbed into this radically Christianized world.

As it stands, Earle is today probably best known more as a radical than as a rocker.

Long gone are the days when Chairman Mao was idolised by radicals (and even respected by some mainstream academics) on American university campuses.

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