(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).
Soot
Definition:
(n.) A black substance formed by combustion, or disengaged from fuel in the process of combustion, which rises in fine particles, and adheres to the sides of the chimney or pipe conveying the smoke; strictly, the fine powder, consisting chiefly of carbon, which colors smoke, and which is the result of imperfect combustion. See Smoke.
(v. t.) To cover or dress with soot; to smut with, or as with, soot; as, to soot land.
(a.) Alt. of Soote
Example Sentences:
(1) With the exception of PMMA and PTFE, all plastics leave a very heavy tar- and soot deposit after burning.
(2) No difference in the yield of bacterial mutagens per gram of fuel burned was found between cyclic operation under low and moderate sooting conditions.
(3) The report also warned of a growing risk of contaminated water supply because of sea-level rise and flooding, and poor air quality as hotter temperatures cook the smog, and soot from wildfires drifts across the country.
(4) When soot from those fires settles over the ice, it captures the sun's heat.
(5) The impact of the soot is as significant as it is surprising — it was not mentioned as a warming factor in the UN's major 2007 report on climate change.
(6) Under the same incubation conditions without soot, free B[a]P was extensively metabolized by microsomes, principally to B[a]P-9,10-diol.
(7) Nitrogen dioxide is shown to be a more hazardous pollutant than flame-soot within the given combination.
(8) To determine the factors affecting the bioavailability of particle-associated PAH, we have studied the ability of microsomes to facilitate transfer of benzo[a]pyrene (B[a]P) adsorbed on the surface of diesel exhaust soot particles to the microsomes and the ability of the microsomes to metabolize the transferred B[a]P. Our results indicate that rat lung and liver microsomes were able to facilitate the transfer of small amounts of B[a]P from diesel particles (less than 3%), but only a fraction of the amount transferred (1-2%) was metabolized.
(9) The transport rates of each material component of diesel exhaust particles (soot, slowly cleared organics, and fast-cleared organics) were derived using available experimental data and several mathematical approximations.
(10) The intense phototoxic activity of native soot ingested by the ciliates was shown to be dependent on the amount of polycyclic hydrocarbons contained.
(11) The figure includes around 29,000 deaths hastened by inhaling minute particles of oily, unburnt soot emitted by all petrol engines, and an estimated 23,500 by the invisible but toxic gas NO 2 emitted by diesel engines.
(12) His head pounds, “my chest gets heavy, stomach gets tight” and “I feel suffocated, anxious.” “I have difficulty breathing at the end of the day, my face is black with soot,” says Kumar, waiting for his next fare on a noisy corner in south Delhi, beside a road jammed with honking cars, trucks and buses.
(13) But by far the greatest source of renewable energy used globally at present is burning biomass (about 10% of the total global energy supply), which is problematic because it can cause deforestation, leads to deposits of soot that accelerate global warming, and cooking fires cause indoor air pollution that harms health.
(14) Among carcinogens identified in the work environment, tars, soots and oils with content of polycyclic aromatic hydrocarbons (46.5%), chromium compounds (24.3%), "other" chemicals like ferric oxide, dichlorobenzidine, N-Phenyl-2-naphthylamine (9.1%), and asbestos (9.1%) have predominated in proportions given in brackets.
(15) A rapid optical method for determining the quantity of soot in the lungs of rodents exposed to diluted diesel exhaust has been developed.
(16) In using the standard alkali digestion method for pulmonary asbestos fibre count, it was found that carbonaceous particles often obscured the presence of asbestos bodies (coated fibres) rendering their quantification inaccurate, particularly in lungs with a high soot particle content and a low fibre count.
(17) But when recent observations about the atmospheric height of soot particles were used, a model simulation by the Centre for International Climate and Environmental Research-Oslo (Cicero), published in the journal Nature Communications , found that its warming impacts were roughly halved.
(18) The benzene extract of oil shale soot, painted on the skin of white mice, proved to be strongly carcinogenic: in most of the animals skin tumors developed.
(19) 12 patients showed isolated mucosal inflammation, 5 blackish deposits (of impacted soot) and blisters in 6 (with shreds of mucosa hanging loose); the endoscopy was normal in 18; 66% of those with blisters (4 cases out of 6) and 40% with blackened mucosa (2 cases out of 5) were observed in burns from fires.
(20) Together, these tricks of the auto trade should increase a car’s fuel economy and lower its carbon dioxide (CO 2 ), soot or toxic nitrogen dioxide (NO 2 ) gas pollution levels by about 10-20%.