free radical, n.
freq. cnt. 2
freq. cnt. 2
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
<noun.substance> freq. cnt.: 5 freq. cnt.: 3 freq. cnt.: 2
free radical radical
sample sentences
"in the body free radicals are high-energy particles that ricochet wildly and damage cells"
semantic pointers
hypernym