radical
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(rad′ĭ-kăl)

[L. radicalis, having roots]
1. In chemistry, a group of atoms acting as a single unit, passing without change from one compound to another, but unable to exist in a free state.
2. Pert. to surgery or other therapy to remove or destroy all disease or diseased tissue.
SEE: conservative; SEE: radical treatment
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(rad′ĭ-kăl)

[L. radicalis, having roots]
1. In chemistry, a group of atoms acting as a single unit, passing without change from one compound to another, but unable to exist in a free state.
2. Pert. to surgery or other therapy to remove or destroy all disease or diseased tissue.
SEE: conservative; SEE: radical treatment
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