Search Result for "free radical":
Wordnet 3.0

NOUN (1)

1. 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;
- Example: "in the body free radicals are high-energy particles that ricochet wildly and damage cells"
[syn: free radical, radical]


WordNet (r) 3.0 (2006):

free radical n 1: 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" [syn: free radical, radical]