Meaning of free radical
— Chem., Biochem. Chem.,Biochem.
- an atom or molecule that bears an unpaired electron and is extremely reactive, capable of engaging in rapid chain reactions that destabilize other molecules and generate many more free radicals: in the body, deactivated by antioxidants, uric acid, and certain enzyme activities. Cf. diradical.
- free radical (Thesaurus)