Other Definitions
radical (enc)
|
Radical| Noun | 1. | radical - (chemistry) two or more atoms bound together as a single unit and forming part of a moleculechemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions building block, unit - a single undivided natural thing occurring in the composition of something else; "units of nucleic acids" acyl, acyl group - any group or radical of the form RCO- where R is an organic group; "an example of the acyl group is the acetyl group" molecule - (physics and chemistry) the simplest structural unit of an element or compound chromophore - the chemical group that gives color to a molecule glyceryl - a trivalent radical derived from glycerol by removing the three hydroxyl radicals ketone group - a group having the characteristic properties of ketones butyl - a hydrocarbon radical (C4H9) nitrite - the radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid) | | | 2. | radical - an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule than 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"atom - (physics and chemistry) the smallest component of an element having the chemical properties of the element | | | 3. | radical - a person who has radical ideas or opinionsleveler, leveller - a radical who advocates the abolition of political or economic or social inequalities terrorist - a radical who employs terror as a political weapon; usually organizes with other terrorists in small cells; often uses religion as a cover for terrorist activities Trotskyist, Trotskyite, Trot - radicals who support Trotsky's theory that socialism must be established throughout the world by continuing revolution Wobbly - a member of the Industrial Workers of the World Young Turk - a young radical who agitates for reform | | | 4. | radical - a character conveying the lexical meaning of a logogram | | | 5. | radical - a sign placed in front of an expression to denote that a root is to be extracted | | | 6. | radical - (linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem"descriptor, form, signifier, word form - the phonological or orthographic sound or appearance of a word that can be used to describe or identify something; "the inflected forms of a word can be represented by a stem and a list of inflections to be attached" | | | Adj. | 1. | radical - (used of opinions and actions) far beyond the norm; "extremist political views"; "radical opinions on education"; "an ultra conservative"immoderate - not within reasonable limits; "immoderate laughter"; "immoderate spending" | | | 2. | radical - markedly new or introducing radical change; "a revolutionary discovery"; "radical political views"new - not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered; "a new law"; "new cars"; "a new comet"; "a new friend"; "a new year"; "the New World" | | | 3. | radical - arising from or going to the root; "a radical flaw in the plan"basic - pertaining to or constituting a base or basis; "a basic fact"; "the basic ingredients"; "basic changes in public opinion occur because of changes in priorities" | | | 4. | radical - of or relating to or constituting a linguistic root; "a radical verb form" | | | 5. | radical - 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"cauline - especially of leaves; growing on a stem especially on the upper part of a stem; "cauline leaves" | |
|
 |