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Radical
Definition Of Radical:
Pronunciation: rad′i-kălIn chemistry, a group of elements or atoms usually passing intact from one compound to another, but usually incapable of prolonged existence in a free state (methyl, CH3); in chemical formulas, a radical is often distinguished by being enclosed in parentheses or brackets.
Thorough or extensive; relating or directed to the extirpation of the root or cause of a morbid process; a radical operation.Denoting treatment by extreme, drastic, or innovative, as opposed to conservative, measures.A functional group in a molecule or molecular entity.Synonym(s): free radical[L. radix (radic-), root].
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