- plasma s. a s. that uses a fine high-temperature gas jet, instead of a blade, for cutting.
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scal·pel 'skal-pəlalso skal-'pel n a small straight thin-bladed knife used esp. in surgery
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n.
a small pointed surgical knife used by surgeons for cutting tissues. It has a straight handle and usually detachable disposable blades of different shapes.
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scal·pel (skalґpəl) [L. scalpellum] a small surgical knife with a straight handle and, usually, a blade with a convex edge.Medical dictionary. 2011.