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英英字典: free_radical

free radical   (TTS Sound)



Overview of noun free_radical

The noun free radical has 1 sense


  • free radical, radical -- (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")

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