(v. t.) To reduce to powder by friction, as in a mill, or with the teeth; to crush into small fragments; to produce as by the action of millstones.
(v. t.) To wear down, polish, or sharpen, by friction; to make smooth, sharp, or pointed; to whet, as a knife or drill; to rub against one another, as teeth, etc.
(v. t.) To oppress by severe exactions; to harass.
(v. t.) To study hard for examination.
(v. i.) To perform the operation of grinding something; to turn the millstones.
(v. i.) To become ground or pulverized by friction; as, this corn grinds well.
(v. i.) To become polished or sharpened by friction; as, glass grinds smooth; steel grinds to a sharp edge.
(v. i.) To move with much difficulty or friction; to grate.
(v. i.) To perform hard aud distasteful service; to drudge; to study hard, as for an examination.
(n.) The act of reducing to powder, or of sharpening, by friction.
(n.) Any severe continuous work or occupation; esp., hard and uninteresting study.
(n.) A hard student; a dig.
Example Sentences:
(1) The contents of hexavalent chromium, Cr(VI), in grinding dust were undetectable.
(2) In EastEnders , the mystery surrounding the identity of Kat's secret squeeze continues amid the grinding of narrative levers and the death rattle of overflogged script-horses.
(3) We suggest that other functions than grinding, such as supplying minerals, may be equally important functions of the grit.
(4) While exposure of root surface dentin alone (negative control) produced no alterations, grinding the surface (positive control) caused noticeable changes in dentin, odontoblasts, and pulp.
(5) But he denied having an axe to grind against Riordan, now a Fair Work Commissioner.
(6) Nancy Curtin, the chief investment officer of Close Brothers Asset Management said: "The US economy didn't just grind to a halt in the first quarter – it hit reverse as the polar vortex took its toll.
(7) On the other hand, grinding the glossy ridge-lap surface, painting the teeth with monomer or a solvent, preparing retention grooves on the ridge-lap portion of the teeth effectively lock the teeth to the denture base.
(8) Sporulating cells of Bacillus sphaericus 9602 containing fully engulfed forespores at different stages of maturity were broken by ultrasonic disruption, followed by grinding with alumina.
(9) Achieving efficiency on this scale will be complicated and a long, hard grind.
(10) Lord Mitchell, who helped to lead Movement for Change's rally of activists this summer and who tabled yesterday's amendment, has said that the change will help "those who live in the hell-hole of grinding debt.
(11) In Java 81.1% of the males and 99.2% of the females showed dental mutilations in the form of grinding the incisal and vestibular surfaces of the maxillary incisors and canines.
(12) The experimental carborundum wheels exhibited much the same performance as the marketed carborundum wheel under a less grinding pressure that 100 gf.
(13) The anterior teeth can often be coupled to the posterior controls by modifying contours with selective grinding, full or partial coverage restorations, or composite.
(14) The combination of various possibilities for sample preparation and investigation--the tinting penetration method, the ion beam slope cutting, the light and scanning electron microscopy--allow statements at the grind after different drying of the preparation mainly to the bond but also surface and filler shape of glass-ionomer cements.
(15) Printers have come a long way since 1984 when Hewlett Packard introduced the ThinkJet , the firm's first personal inkjet printer grinding at a snail's pace of two pages a minute and priced at a whopping $495.
(16) Pyralgin (metamizole sodium) usefulness was tested in premedication of 90 patients subjected to processing of hard tooth tissues by grinding or drilling.
(17) Mercury vapor levels associated with grinding amalgam models and mulling amalgams in the palm of the hand following trituration have been measured in a dental laboratory in inhalation position.
(18) Gap changes which resulted during porcelain firing cycles were relatively small, but larger marginal discrepancies developed in crowns prepared with a compatible porcelain during grinding and abrasive blasting procedures.
(19) Cases were no more likely than well controls to report ever-grinding, but were actually significantly less likely than well controls to report current grinding.
(20) After functional analysis and diagnostic grinding-in in the Dentatus articulator, the teeth of 10 patients were ground in directly in the mouth using a list of corrections.
Molar
Definition:
(a.) Of or pertaining to a mass of matter; -- said of the properties or motions of masses, as distinguished from those of molecules or atoms.
(a.) Having power to grind; grinding; as, the molar teeth; also, of or pertaining to the molar teeth.
(n.) Any one of the teeth back of the incisors and canines. The molar which replace the deciduous or milk teeth are designated as premolars, and those which are not preceded by deciduous teeth are sometimes called true molars. See Tooth.
Example Sentences:
(1) The effect of S-adenosylhomocysteine on DNA methylation was examined, and it was found at equal molar concentrations of S-adenosylhomocysteine to to S-adenosylmethionine that DNA methylation was competitively inhibited 50%.
(2) This suggests that molars do not maintain a fixed relationship to incisors over time, and extreme care must be taken to standardize an experiment to a specific body weight when using this method.
(3) Of the sampled population, 6.3 per cent exhibited some degree of hypodontia (third molar agenesis excluded).
(4) To understand the reason for the opposite effect of the molar ratio observed at the middle of and at four residues away from the lysine-rich sequence, actual cross-linked residue(s) was (were) determined by subjecting cross-linked product to a protein sequencer.
(5) This article presents the case of bilateral absent maxillary permanent molars with severe oligodontia and no other abnormalities.
(6) The molar refractivity has been shown to be a superior parameter for the description of the activity of sulphonamides than the sum of electronegativities of atoms making up a heterocyclic substituent in the sulphonamide molecule and molecular weight of the substituent.
(7) In terms of segmental motion and anisotropy of packing the lipoprotein-X bilayer closely resembles a model bilayer system consisting of phosphatidylcholine, lysophosphatidylcholine, sphingomyelin and cholesterol mixed in the same molar ratio as in lipoprotein-X.
(8) The effect develops within approximately 2 hours and does not depend on EDTA concentration provided the complexon is in a molar excess over the enzyme.
(9) This differential absorbance is linear with increasing concentrations of Na2MoO4 and was used to calculate the molar extinction coefficient of molybdochelin at 425 nm (epsilon similar to 6,200).
(10) Following a baseline examination, the furcation-involved molars were randomly assigned in each patient to either a test or a control treatment procedure.
(11) Three brands of glass ionomer were applied to prepared dentin surfaces of extracted human molars, after one of four treatments with polyacrylic acid.
(12) The oxygen-free radical scavengers thiourea, mannitol and catalase prevented toxicity mediated by ferrous ammoniumsulphate but not by ferrous ascorbate (molar ratio of 1:20).
(13) Both agents produced similar significant increases in the cholesterol ester content and cholesterol-to-phospholipid molar ratio of the membranes.
(14) Changes in third molar angulation from pretreatment to posttreatment for the two groups were compared for statistical differences using a Student's t-test.
(15) The Authors analyze the force system delivered on the molar and on the anchorage unit.
(16) Eight macerated human child skulls with a dental age of approximately 9.5 years (mixed dentition) were consecutively subjected to an experimental standardized high-pull headgear traction system attached to the maxilla at the first permanent molar area via an immovable acrylic resin splint covering all teeth.
(17) Both types of cells took up linoleic (18:2(n-6)) and linolenic (18:3(n-3)) fatty acids at the same rate when they were added complexed either to albumin or AFP at a 1:1 molar ratio.
(18) Owing to its broad spectrum of action (covering both gram-positive and gram-negative microorganisms and anaerobes) and its consistently strong molar action, mezlocillin is well suited as a beta-lactam combination component for intensive care patients.
(19) These findings indicate that rGRF-LI is localized in the median eminence and arcuate nucleus in the rat and that rGRF-, SRIF-(1-28)-, and SRIF-(1-14)-LI are present in a 1:2.10:6.29 ratio on a molar basis.
(20) The development of the first molar was examined from the dental lamina stage through apposition.