(a.) Of or pertaining to the root; proceeding directly from the root.
(a.) 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.
(a.) Belonging to, or proceeding from, the root of a plant; as, radical tubers or hairs.
(a.) Proceeding from a rootlike stem, or one which does not rise above the ground; as, the radical leaves of the dandelion and the sidesaddle flower.
(a.) Relating, or belonging, to the root, or ultimate source of derivation; as, a radical verbal form.
(a.) Of or pertaining to a radix or root; as, a radical quantity; a radical sign. See below.
(n.) A primitive word; a radix, root, or simple, underived, uncompounded word; an etymon.
(n.) A primitive letter; a letter that belongs to the radix.
(n.) One who advocates radical changes in government or social institutions, especially such changes as are intended to level class inequalities; -- opposed to conservative.
(n.) A characteristic, essential, and fundamental constituent of any compound; hence, sometimes, an atom.
(n.) 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.
(n.) A radical quantity. See under Radical, a.
(a.) A radical vessel. See under Radical, a.
Example Sentences:
(1) In conclusion, the efficacy of free tissue transfer in the treatment of osteomyelitis is geared mainly at enabling the surgeon to perform a wide radical debridement of infected and nonviable soft tissue and bone.
(2) The hypothesis that proteins are critical targets in free radical mediated cytolysis was tested using U937 mononuclear phagocytes as targets and iron together with hydrogen peroxide to generate radicals.
(3) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
(4) The role of O2 free radicals in the reduction of sarcolemmal Na+-K+-ATPase, which occurs during reperfusion of ischemic heart, was examined in isolated guinea pig heart using exogenous scavengers of O2 radicals and an inhibitor of xanthine oxidase.
(5) Flow cytometric DNA analysis was performed on both fresh and on paraffin embedded samples obtained by gastroscopic biopsies in 5 patients with histologically normal gastric mucosa (20 specimens) and by radical gastrectomies in 9 cases of human gastric cancer (36 specimens).
(6) That's why the big dreams have come from the smaller candidates such as the radical left's Jean-Luc Mélenchon.
(7) Residual cancer was found in the radical prostatectomy specimen in 11 of the 29 stage-A1 patients (38%) and in 66 of the 86 stage-A2 patients (77%).
(8) This may be due to DMSO's ability to scavenge free radicals.
(9) A more radical surgery is recommended but with the limitation that the operative method must be adapted to the operative finding.
(10) The present study explored the possibility that SOD-mimics such as desferrioxamine-Mn(III) chelate [DF-Mn] or cyclic nitroxide stable free radicals could protect from O2-.-independent damage.
(11) Treatment modalities included: partial temporal bone resection, subtotal temporal bone resection, total temporal bone resection, radical mastoidectomy followed by radiation therapy, radiation therapy alone, and chemotherapy.
(12) Leaders of Tory local government are preparing radical proposals for minimum 10% cuts in public spending in the search for savings.
(13) Plays like The Workhouse Donkey (1963) and Armstrong's Last Goodnight (1964) were staged in major theatres, but as the decade progressed so his identification with the increasingly radical climate of the times began to lead away from the mainstream theatre.
(14) 78% of the recurrences were seen two years postoperatively and 27% were asymptomatic; 10% underwent radical operation, 27% palliative operation and 63% conservative treatment.
(15) The kinetics of bimolecular decay of alpha-tocopheroxyl free radicals (T) was studied by ESR mainly in ethanol and heptanol solvents.
(16) While the correlations between speed and accuracy reversed over time, the abnormal vision group began and ended at the most extreme levels, having undergone a significantly more radical shift in this regard.
(17) NPR reported that investigators have not found telltale signs associated with Islamist radicalization , such as a change in mosques or abrupt shifts in behavior or family associations.
(18) The second triplet, which was stable in the dark at 4.2 K following illumination, was assigned to the radical pair Donor+I-.
(19) It may be due to relative nonreactivity of ascorbic acid free radical that free radical chain reactions, found commonly in radical chemistry, do not occur in the scavenging reaction by ascorbic acid.
(20) The free radical scavengers mannitol, thiourea, benzoate, and 4-methylmercapto-2-oxobutyrate protected either native cells exposed to H2O2 or pretreated hepatocytes exposed to H2O2 and given ferric or ferrous iron.
Root
Definition:
(v. i.) To turn up the earth with the snout, as swine.
(v. i.) Hence, to seek for favor or advancement by low arts or groveling servility; to fawn servilely.
(v. t.) To turn up or to dig out with the snout; as, the swine roots the earth.
(n.) The underground portion of a plant, whether a true root or a tuber, a bulb or rootstock, as in the potato, the onion, or the sweet flag.
(n.) The descending, and commonly branching, axis of a plant, increasing in length by growth at its extremity only, not divided into joints, leafless and without buds, and having for its offices to fix the plant in the earth, to supply it with moisture and soluble matters, and sometimes to serve as a reservoir of nutriment for future growth. A true root, however, may never reach the ground, but may be attached to a wall, etc., as in the ivy, or may hang loosely in the air, as in some epiphytic orchids.
(n.) An edible or esculent root, especially of such plants as produce a single root, as the beet, carrot, etc.; as, the root crop.
(n.) That which resembles a root in position or function, esp. as a source of nourishment or support; that from which anything proceeds as if by growth or development; as, the root of a tooth, a nail, a cancer, and the like.
(n.) An ancestor or progenitor; and hence, an early race; a stem.
(n.) A primitive form of speech; one of the earliest terms employed in language; a word from which other words are formed; a radix, or radical.
(n.) The cause or occasion by which anything is brought about; the source.
(n.) That factor of a quantity which when multiplied into itself will produce that quantity; thus, 3 is a root of 9, because 3 multiplied into itself produces 9; 3 is the cube root of 27.
(n.) The fundamental tone of any chord; the tone from whose harmonics, or overtones, a chord is composed.
(n.) The lowest place, position, or part.
(n.) The time which to reckon in making calculations.
(v. i.) To fix the root; to enter the earth, as roots; to take root and begin to grow.
(v. i.) To be firmly fixed; to be established.
(v. t.) To plant and fix deeply in the earth, or as in the earth; to implant firmly; hence, to make deep or radical; to establish; -- used chiefly in the participle; as, rooted trees or forests; rooted dislike.
(v. t.) To tear up by the root; to eradicate; to extirpate; -- with up, out, or away.
Example Sentences:
(1) After four years of existence, many evaluations were able to show the qualities of this system regarding root canal penetration, cleaning and shaping.
(2) The Bohr and Root effects are absent, although specific amino acid residues, considered responsible of most of these functions, are conserved in the sequence, thus posing new questions about the molecular basis of these mechanisms.
(3) Subdural tumors may be out of the cord (10 tumors), on the posterior roots (28 tumors), or within the cord.
(4) The method used in connection with the well known autoplastic reimplantation not only presents an alternative to the traditional apicoectomy but also provides additional stabilization of the tooth by lengthing the root with cocotostabile and biocompatible A1203 ceramic.
(5) But the roots of Ukip support in working-class areas are also cultural.
(6) The Ca2+ channel current recorded under identical conditions in rat dorsal root ganglion neurones was less sensitive to blockade by PCP (IC50, 90 microM).
(7) I am rooting hard for you.” Ronald Reagan simply told his former vice-president Bush: “Don’t let the turkeys get you down.” By 10.30am Michelle Obama and Melania Trump will join the outgoing and incoming presidents in a presidential limousine to drive to the Capitol.
(8) Two hundred and forty root canals of extracted single-rooted teeth were prepared to the same dimension, and Dentatus posts of equal size were cemented without screwing them into the dentine.
(9) We have characterized previously a model of herpes simplex virus (HSV) infection of rat dorsal root ganglia (DRG) following cutaneous infection.
(10) After 1 month, scaling and root planing had effected significant clinical improvement and significant shifts in the subgingival flora to a pattern more consistent with periodontal health; these changes were still evident at 3 months.
(11) The dispute is rooted in the recent erosion of many of the freedoms Egyptians won when they rose up against Mubarak in a stunning, 18-day uprising.
(12) So the government wants a “root and branch” review to decide whether the BBC has “been chasing mass ratings at the expense of its original public service brief” ( BBC faces ‘root and branch’ review of its size and remit , 13 July).
(13) Statistical diagnostic tests are used for the final evaluation of the method acceptability, specifically in deciding whether or not the systematic error indicated requires a root source search for its removal or is simply a calibration constant of the method.
(14) Three strains of fluorescent pseudomonads (IS-1, IS-2, and IS-3) isolated from potato underground stems with roots showed in vitro antibiosis against 30 strains of the ring rot bacterium Clavibacter michiganensis subsp.
(15) The ventral root dissection technique was used to obtain contractile and electromyogram (e.m.g.)
(16) No infection threads were found to penetrate either root hairs or the nodule cells.
(17) The roots of the incisor teeth should, if possible, be placed accurately in this zone and a method of achieving this is suggested.
(18) Terrorist groups need to be tackled at root, interdicting flows of weapons and finance, exposing the shallowness of their claims, channelling their followers into democratic politics.
(19) Rooting latency showed a significant additive maternal strain effect but little systematic effect of pup genotype.
(20) Dorsal root ganglion (DRG) neurons cultured from neonatal rats contained high concentrations of protein kinase C (PKC).