ALL meanings of free radical
free rad·i·cal
F f - noun free radical 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. 1
- countable noun free radical Free radicals are atoms that contain one or more unpaired electrons. Free radicals are believed to be a cause of ageing, heart disease, and some cancers. 0
- noun free radical an atom or group of atoms containing at least one unpaired electron and existing for a brief period of time before reacting to produce a stable molecule 0
- noun free radical an atom or molecule having at least one unpaired electron: free radicals are usually very reactive and unstable, and can damage healthy body cells 0
- noun free radical Free radicals are atoms that contain one or more unpaired electrons. Free radicals are believed to be a cause of aging, heart disease, and some cancers. 0
- noun free radical (chemistry, physics) A molecule, ion or atom that has one or more unpaired electrons, and which is generally highly reactive (and therefore often occurs only as a transient species). 0