Radical
Definition of Radical
Rad´i`cal Pronunciation: răd´ĭ`kal a. | 1. | Of or pertaining to the root; proceeding directly from the root. | | 2. | Hence: Of or pertaining to the root or origin; reaching to the center, to the foundation, to the ultimate sources, to the principles, or the like; original; fundamental; thorough-going; unsparing; extreme; as, radical evils; radical reform; a radical party. | | 3. | (Bot.) Belonging to, or proceeding from, the root of a plant; as, radical tubers or hairs. | | 4. | (Philol.) Relating, or belonging, to the root, or ultimate source of derivation; as, a radical verbal form. | | 5. | (Math.) Of or pertaining to a radix or root; as, a radical quantity; a radical sign. See below.Radical axis of two circles | (Geom.) See under Axis. |
| n. | 1. | (Philol.) A primitive word; a radix, root, or simple, underived, uncompounded word; an etymon. | | 2. | (Politics) One who advocates radical changes in government or social institutions, especially such changes as are intended to level class inequalities; - opposed to conservative. | | 3. | (Chem.) A characteristic, essential, and fundamental constituent of any compound; hence, sometimes, an atom. | | 4. | Specifically, a group of two or more atoms, not completely saturated, which are so linked that their union implies certain properties, and are conveniently regarded as playing the part of a single atom; a residue; - called also a compound radical. Cf. Residue. | | 4. | (Alg.) A radical quantity. See under Radical, a. | | 5. | (Anat.) A radical vessel. See under Radical, a. |
Related Words
Bolshevik, Bolshevist, Fabian, Gospel side, IC analysis, Jacobin, Kekule formula, Wobbly, ab ovo, aboriginal, absolute, accidence, acid, acidity, advanced, affix, affixation, agent, agitator, algorismic, algorithmic, aliquot, alkali, alkalinity, all-embracing, all-encompassing, all-inclusive, all-out, all-pervading, alloisomer, allomorph, anarchist, anarchistic, anarcho-syndicalist, anion, antacid, arrowhead, at the height, at the limit, atom, atomic cluster, basal, base, basement, basilar, basis, bearing wall, bed, bedding, bedrock, beginning, benzene ring, biochemical, born, bottom, bound morpheme, branched chain, broad, broad-based, broad-minded, cantorial side, cardinal, cataclysmic, catastrophic, cation, central, chain, character, chemical, chemical element, chromoisomer, clean, clear, closed chain, commencement, communist, compound, compound radical, comprehensive, conception, congenital, conjugation, constituent, constitutional, constitutive, consummate, copolymer, corrective, counterclockwise, crucial, cuneiform, cutting, cycle, decimal, declension, deep, deep-dyed, deep-seated, demotic character, derivation, determinative, difference of form, differential, digital, dimer, downright, drastic, dyad, dyed-in-the-wool, egregious, element, elemental, elementary, embryonic, emendatory, enclitic, entire, even, exhaustive, exponential, extreme left-winger, extremist, extremistic, fanatic, fanatical, far out, figural, figurate, figurative, finite, floor, flooring, fond, footing, formative, foundation, foundational, fractional, free form, fundament, fundamental, furthest, generative, genesis, genetic, germinal, gradualistic, grammalogue, grass roots, greatest, ground, grounds, groundwork, gut, hardpan, head, heavy chemicals, heptad, heterocycle, hexad, hieratic symbol, hieroglyph, hieroglyphic, hieroglyphics, high polymer, hiragana, homocycle, homopolymer, hydracid, ideogram, ideograph, imaginary, immediate constituent analysis, immoderate, impair, impossible, in embryo, in ovo, inception, infinite, infix, infixation, inflection, inherent, inorganic chemical, insurrectionary, insurrectionist, integral, intensive, intrinsic, ion, irrational, isomer, kana, katakana, larboard, lattice, left, left hand, left wing, left-hand, left-hand side, left-wing, left-wing extremist, left-winger, left-wingish, leftist, levorotatory, liberal, logarithmic, logogram, logograph, logometric, lunatic fringe, macromolecule, material, meliorist, melioristic, metamer, mild radical, mildly radical, militant, molecule, monad, monomer, morph, morpheme, morphemic analysis, morphemics, morphology, morphophonemics, most, near, near side, negative, neutralizer, nigh, nihilist, nihilistic, nonacid, numeral, numerary, numerative, numeric, octad, odd, of the essence, ogham, omnibus, omnipresent, ordinal, organic chemical, origin, original, origination, out-and-out, outright, oxyacid, pair, paradigm, parlor Bolshevik, parlor pink, pavement, pentad, perfect, pervasive, phonetic, phonetic symbol, pictogram, pictograph, pink, pinko, plain, plumb, polymer, port, port tack, portside, positive, possible, prefix, prefixation, pregnant, primal, primary, prime, primeval, primitive, primordial, principal, principle, pristine, proclitic, profound, progressionist, progressist, progressive, progressivist, protogenic, provenience, pseudoisomer, pure, rabid, radix, rational, reagent, rebel, reciprocal, red, reformational, reformative, reformatory, reformer, reformist, reformistic, regular, revisional, revisionist, revisory, revolutional, revolutionist, revulsionary, revulsive, ring, riprap, rise, rock bottom, root, rudiment, rudimentary, rune, sans-culotte, seat, secessionist, seminal, separatist, severe, sheer, shorthand, side chain, sill, simple radical, sinister, sinistral, sinistrocerebral, sinistrocular, sinistrogyrate, sinistrorse, solid ground, solid rock, source, space-lattice, stem, stereobate, stock, straight, straight chain, stylobate, submultiple, substantial, substantive, substratum, substruction, substructure, subversive, suffix, suffixation, sulfacid, surd, sweeping, syndicalist, taproot, terra firma, tetrad, theme, thorough, thoroughgoing, through-and-through, tolerant, too much, transcendental, transilient, triad, trimer, ubiquitous, ultra-ultra, ultraconservative, ultraist, ultraistic, unconditional, underbuilding, undercarriage, undergirding, underlying, underpinning, understruction, understructure, universal, unmitigated, unqualified, unreserved, unrestricted, utmost, utopian, utopist, utter, uttermost, veritable, verso, vital, way out, wedge, wholesale, wide, word letter, word-formation, wrong side, yippie, zealot
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Radiale Radially Radian Radiance Radiant Radiant energy Radiant engine Radiant heat Radiant point Radiantly Radiary Radiata Radiate Radiate-veined Radiated Radiately Radiatiform Radiation Radiative Radiator -Radical- Radical axis of two circles Radical pitch Radical quantity Radical sign Radical stress Radical vessels Radical vinegar Radicalism Radicality Radically Radicalness Radicant Radicate Radicated Radication Radicel Radiciflorous Radiciform Radicle Radicular
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