Textual thesaurus for "radical"

(adj) basal

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

basal placentation; radical leaves

(adj) extremist, ultra

(used of opinions and actions) far beyond the norm

extremist political views; radical opinions on education; an ultra conservative

(adj) revolutionary

markedly new or introducing radical change

a revolutionary discovery; radical political views

(noun) stem, theme, base, root, root word

(linguistics) the form of a word after all affixes are removed

thematic vowels are part of the stem

(noun) group, chemical group

(chemistry) two or more atoms bound together as a single unit and forming part of a molecule

(noun) free radical

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