A grinding noise jerked her attention back to the car.
Steel used for cutting as distinguished from grinding, seems to owe its hardness.
Her knees hit the floor with a grinding jolt, and the fox seized the opportunity.
With Alex, the relationship seemed to be either grinding up a long hill or plunging perilously toward the depths of despair.
His teeth were grinding loudly enough for her to hear, and his face was ashen and drawn in a look of pain. He couldn't answer – that much she discerned at the rippling muscles of his clenched jaw.
There wasn't any bumping and grinding and those beds are noisy.
In total loss of her temper, she marched over and stomped on the phone, grinding it under her boot heel.
A part of the helium contained in minerals can be extracted by heat or by grinding.
The short period of this evolution is at least one factor in the primitive grade of even the most specialized members of the group. In the advance of their molar teeth from a tritubercular to a grinding type, the author traces a curious parallelism between marsupials and placentals.
Sulphur mining M h 1 supplies large industries of sulphur-refining and grinding, - in spite of American competition.
- Grinding Surface of moderately worn Right Upper Second Molars of Rhinoceros.
The most profitable unit is calculated to be a daily consumption of 1500 tons of cane, or 150,000 in a grinding season of loo days, which implies a feeding area not above 6000 acres.
QUERN, the primitive form of hand-mill for grinding corn, consisting of two flat circular stones; the lower stone, often shaped with a rim; has a wooden or metal pin in the centre which passes through a hole in the upper stone; the worker pours the grain through the hole with one hand, revolving the upper stone with the other by means of a peg fixed to one side.
Another process depends upon the formation of lead chloride by grinding together litharge with salt and water, and then treating the alkaline fluid with carbon dioxide until it is neutral.
The most serious drain on the population is caused by emigration, due partly to the grinding poverty of the mass of the peasants, partly to the resentment of the subject races against the process of " Magyarization " to which they have long been subjected by the government.
Guncotton in an air-dry state, whether in the original form or after grinding to pulp and compressing, burns with very great rapidity but does not detonate unless confined.
When the glass is cold the surplus is removed either by grinding, or by applying heat to a line scratched with a diamond round the bowl.
The first step in this process is that of grinding the surface down until all projections are removed and a close approximation to a perfect plane is obtained.
This term is applied to blown sheet-glass, whose surface has been rendered plane and brilliant by a process of grinding and polishing.
Steel-grinding was notoriously unhealthy, and manufacturing processes generally were less favourable to life than agricultural.
Either (I) by the Mexican crusher or arrastra, in which the grinding is effected upon a bed of stone, over which heavy blocks of stone attached to cross arms are dragged by the rotation of the arms about a central spindle, or (2) by the Chilean mill or trapiche, also known as the edge-runner, where the grinding stones roll upon the floor, at the same time turning about a central upright - contrivances which are mainly used for the preparation of silver ores; but by far the largest proportion of the gold quartz of California, Australia and Africa is reduced by (3) the stamp mill, which is similar in principle to that used in Europe for the preparation of tin and other ores.
The surface of this was brought by planing, grinding and other means to the highest possible pitch of smoothness and evenness.
Miihle), the term given to the apparatus or machinery used in the grinding of corn into flour, and hence applied to similar mechanical devices for grinding, crushing to powder, or pulping other substances, e.g.
Wind-mill, watermill, &c. It was not the early word used of the actual grinding mechanism.
Such implements as have survived are of the rudest description, and include querns or stone handmills for grinding corn, stone worts and bone combs employed in primitive forms of woollen manufacture, and specimens of simple pottery ware.
Among these, the tuco-tucos (Ctenomys) are characterized by their burrowing habits, almost rudimentary ears, small eyes, short tails and the kidneyshaped grinding-surfaces of their cheek-teeth.
The grinding seems to have been performed chiefly by female slaves, but occasionally we hear also of a donkey-mill (esolcweorn).
Despite the harsh land-laws and grinding taxation which prevent them, with all their industry and thrift, from securing the freehold of the patch of ground cultivated by each peasant family, the Asturians regard themselves as the aristocracy of Spain.
Swaying upward with the roll of the ship the two foremost brows came down scraping and grinding along the mole.
Owen's description showed this view to be groundless, and he attributed the extraordinary development of the toucan's beak to the need of compensating, by the additional power of mastication thus given, for the absence of any of the grinding structures that are so characteristic of the intestinal tract of vegetable-eating birds - its digestive organs possessing a general simplicity of formation.
In the cheekteeth the sectorial or scissor-like cutting function is developed at the expense of the tubercular or grinding, there being only one rudimentary tooth of the latter form in the upper jaw, and none in FIG.
Over the dusty hood, the yawning valley beckoned, and then... the sound of metal grinding against rock.
Definitely not a virgin, not the way she was grinding up against Joe Jock.
The plates are compressed from before backwards, the anterior and posterior surfaces (as seen in the worn grinding face of the tooth) being nearly parallel.
Now, if CD is pressed by its weight or by a spring on the surface AB, the effect of wear will be to produce a symmetrical grinding away of both surfaces, which may be represented thus, fig.
By this time he had ceased to devote himself to pure mathematics, and in company with his friends Mersenne and Mydorge was deeply interested in the theory of the refraction of light, and in the practical work of grinding glasses of the best shape suitable for optical instruments.
They are rich in grinding stone, and in phosphatic deposits.
On the one side was the grinding poverty of the poor; on the other the abuses of the governors.
"Buff" or "levi gated litharge" is prepared by grinding the larger pieces under water.
Long, so that the subsequent grinding can be carried on without the stoppages occasioned by the mill choking with a heavy and irregular feed.
The action of this mill is really more nearly analogous to that of a centrifugal pump, as no grinding action takes place in it.
In the Knox and Boss mills, which are also employed for the amalgamation of silver ores, the grinding is effected between flat horizontal surfaces instead of conical or curved surfaces as in the previously described forms.
- Grinding surface of Upper Molar Tooth of the7Mammoth (Elephas primigenius).
He attacked Leon of Modena's anti-Kabbalistic treatises, and as a result of his conflict with the Venetian Rabbinate left Italy for Amsterdam, where, like Spinoza, he maintained himself by grinding lenses.
The sides of the jaws are provided with a close series of grinding teeth, which are often worn down to stumps; the front of the jaws forms a toothless beak, which would be encased originally in a horny sheath.
Them for grinding vegetable substances.
This independence of adaptation applies to every detail of structure; the six cusps of a grinding tooth may all evolve alike, or each may evolve independently and differently.
There can be little doubt that before the AngloSaxons came to Britain they possessed no instrument for grinding corn except the quern (cweorn), and in remote districts this continued in use until quite late times.
Many fish inhabited the Carboniferous seas and most of these were Elasmobranchs, sharks with crushing pavement teeth (Psammodus), adapted for grinding the shells of brachiopods, crustaceans, &c. Other sharks had piercing teeth (Cladoselache and Cladodus); some, the petalodonts, had peculiar cycloid cutting teeth.
The consummate hardness of the diamond, in spite of its high price, has made it most useful for purposes of grinding, polishing and drilling.
They heard a crunching, grinding sound, a loud snap, and the turn-table came to a stop with its broadest surface shutting off the path from which they had come.
Plantations have increased greatly in size (and also diminished in number), greater capital is involved, bagasse furnaces have been introduced, double grinding mills have increased by more than a half the yield of juice from a given weight of cane, and extractive operations instead of being carried on on all plantations have been (since 1880) concentrated in comparatively few " centrals " (168 in Feb.
The freshness of the new field which was opened up to the imagination - so full of vivid lights and shadows, light-hearted fun, grinding hardship, stirring adventure, heroic action, warm friendships, bitter hatreds - was in exhilarating contrast to the world of the historical romancer and the fashionable novelist, to which the mind of the general reader was at that date given over.
For the latter purpose the hard, somewhat flinty grains are preferable, and they are prepared by grinding off the outer cuticle which forms " pot barley."
Both the grinding and polishing tools are grooved, to obtain a uniform distribution of the emery used in the grinding process and of the rouge employed in polishing, as also to provide for the lateral expansion of the pitch with which the polisher is coated.
The object of this ordinance was to secure revenue, but it led to the institution of serfdom in its most grinding form.
The maize was ground with a stone roller on the grinding stone or metlatl, still known over Spanish America as the metate, and the meal baked into thin oval cakes called by Aztecs tlaxcalli, and by Spaniards tortilla, which resemble the chapati of India and the oatcake of Scotland.