radical
radical - noun
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
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
a person who has radical ideas or opinions
(mathematics) a quantity expressed as the root of another quantity
a character conveying the lexical meaning of a logogram
(linguistics) the form of a word after all affixes are removed
radical - adjective
- of or relating to or constituting a linguistic root
- especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem
- (used of opinions and actions) far beyond the norm
- markedly new or introducing radical change
- arising from or going to the root or source
radical - thesaurus
basal
base
extremist
group
revolutionary
root
stem
theme
ultra