(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).
Unroot
Definition:
(v. t.) To tear up by the roots; to eradicate; to uproot.
(v. i.) To be torn up by the roots.
Example Sentences:
(1) Unrooted dendrograms computed from aligned sequences by distance matrix and DNA parsimony methods, including evolutionary parsimony, showed the Archaea to be a monophyletic-holophyletic cluster closer to Eukarya than to Bacteria.
(2) The nucleotide sequences of the chimpanzee DRB (ChLA-DRB) genes were then compared with those of the available HLA-DRB alleles by constructing unrooted phylogenetic trees.
(3) With four auxiliary programs unrooted trees can be built for maximal 26 species, and the robustness of topologies be tested by bootstrapping.
(4) Comparison of the sequences of the alpha-like DNA polymerases including E. coli DNA polymerase II showed that there were nine highly conserved regions, and we constructed an unrooted phylogenetic tree of the DNA polymerases based on the differences in these conserved regions.
(5) The results obtained can be summarized as follows: (1) The probability of obtaining the correct rooted or unrooted tree is low unless a large number of nucleotide differences exists between different sequences.
(6) For four species, there are 16 independent linear invariants for each of the three possible unrooted trees, 14 of which are shared by two unrooted trees and 12 of these are shared by all three unrooted trees; the last types of linear invariants can be used to construct tests on the assumptions about nucleotide substitutions.
(7) Programs are designed on a 'one program--one task' basis for (i) determining the branching order in trees consisting of four or five species and calculating various statistical measures, (ii) calculating statistical measures for all possible topologies of unrooted trees and (iii) generating and evaluating trees derived from bootstrapped samples.
(8) A multiple alignment and an unrooted phylogenetic tree were constructed for the investigation of evolutionary relationships within the firefly luciferase family.
(9) Using computer simulation, we studied the efficiency of this method in obtaining the correct unrooted tree in comparison with that of five other tree-making methods: the unweighted pair group method of analysis, Farris's method, Sattath and Tversky's method, Li's method, and Tateno et al.
(10) Mathematically, the independence has been obtained because the metrics are eigenvectors of fundamental equations which describe the evolution of all unrooted trees.
(11) When we consider unrooted trees with the assumption of a varying rate of nucleotide substitution, the efficiency of the ML method in obtaining the correct tree is similar to those of the maximum parsimony method and distance methods.
(12) The Portuguese fully endorsed the stance of Roman Abramovich, with the Czech keeper unwilling to unroot his family from London, thus ensuring a move outside the capital was not an option.
(13) Critical analysis of the recently proposed alternative to the normal archaebacterial tree, the new eocyte tree, shows that the latter's central topology, in which the eubacteria branch from an entirely different section of the unrooted archaebacterial tree than the eukaryotes, is consistent with an artifact.
(14) Two hundred seventy-seven nucleotide-long aligned sequences representing all or part of the D3, H32-33, D8, D9 and D10 divergent domains are used for the construction of unrooted phylogenetic trees either calculated from a nucleotide difference matrix, or determined with the PAUP programme based on the parsimony method.
(15) In the method, lengths (operator metrics) corresponding to each of the branches of an unrooted tree are calculated.
(16) Various measures of sequence dissimilarity have been evaluated by how well the additive least squares estimation of edges (branch lengths) of an unrooted evolutionary tree fit the observed pairwise dissimilarity measures and by how consistent the trees are for different data sets derived from the same set of sequences.
(17) Of the three distinct unrooted phylogenetic trees, that joining human with chimpanzee and the gorilla with the orangutan is currently favored, but the two alternatives that group humans with either gorillas or the orangutan rather than with chimpanzees also have support.
(18) The former group of methods is particularly good for obtaining the correct unrooted tree.
(19) Unrooted phylogenetic dendrograms were calculated by two independent methods, parsimony and distance matrix analysis, from an alignment of the derived amino acid sequences of the A and C subunits of the DNA-dependent RNA polymerases of the archaebacteria Sulfolobus acidocaldarius and Halobacterium halobium with 12 corresponding sequences including a further set of archaebacterial A+C subunits, eukaryotic nuclear RNA polymerases, pol I, pol II, and pol III, eubacterial beta' and chloroplast beta' and beta" subunits.
(20) The same test also applies to the case of four taxa with no outgroup, if one considers an unrooted tree.