SkyfireDict

radical   (TTS Sound)

The noun radical has 6 senses

• group, radical, chemical group -- ((chemistry) two or more atoms bound together as a single unit and forming part of a molecule)


• free radical, 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")


• radical -- (a person who has radical ideas or opinions)


• radical -- ((mathematics) a quantity expressed as the root of another quantity)


• radical -- (a character conveying the lexical meaning of a logogram)


• root, root word, base, stem, theme, radical -- ((linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem")

The adj radical has 5 senses

• extremist, radical, ultra -- ((used of opinions and actions) far beyond the norm; "extremist political views"; "radical opinions on education"; "an ultra conservative")


• revolutionary, radical -- (markedly new or introducing radical change; "a revolutionary discovery"; "radical political views")


• radical -- (arising from or going to the root or source; "a radical flaw in the plan")


• radical -- (of or relating to or constituting a linguistic root; "a radical verb form")


• radical, 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")