Words · Common
radical
/ˈɹædəkəl/ · 7 letters · 6 distinct letters
- adjective
(used of opinions and actions) far beyond the norm
extremist political views
- noun
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
- adjective
markedly new or introducing radical change
a revolutionary discovery
- noun
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
- noun
a person who has radical ideas or opinions