what does free radical mean?

FREE RADICAL as NOUN

Meaning
- an atom or group of atoms with at least one unpaired electron
- in the body it is usually an oxygen molecule than has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
Synonym(s)
- radical (what does radical mean?)
Usage Example(s)
- in the body free radicals are high-energy part
Hypernyms(s) free radical is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
- atom (what does atom mean?)