What's the difference between grain and scratch?

Grain


Definition:

  • (v. & n.) See Groan.
  • (n.) A single small hard seed; a kernel, especially of those plants, like wheat, whose seeds are used for food.
  • (n.) The fruit of certain grasses which furnish the chief food of man, as corn, wheat, rye, oats, etc., or the plants themselves; -- used collectively.
  • (n.) Any small, hard particle, as of sand, sugar, salt, etc.; hence, any minute portion or particle; as, a grain of gunpowder, of pollen, of starch, of sense, of wit, etc.
  • (n.) The unit of the English system of weights; -- so called because considered equal to the average of grains taken from the middle of the ears of wheat. 7,000 grains constitute the pound avoirdupois, and 5,760 grains the pound troy. A grain is equal to .0648 gram. See Gram.
  • (n.) A reddish dye made from the coccus insect, or kermes; hence, a red color of any tint or hue, as crimson, scarlet, etc.; sometimes used by the poets as equivalent to Tyrian purple.
  • (n.) The composite particles of any substance; that arrangement of the particles of any body which determines its comparative roughness or hardness; texture; as, marble, sugar, sandstone, etc., of fine grain.
  • (n.) The direction, arrangement, or appearance of the fibers in wood, or of the strata in stone, slate, etc.
  • (n.) The fiber which forms the substance of wood or of any fibrous material.
  • (n.) The hair side of a piece of leather, or the marking on that side.
  • (n.) The remains of grain, etc., after brewing or distillation; hence, any residuum. Also called draff.
  • (n.) A rounded prominence on the back of a sepal, as in the common dock. See Grained, a., 4.
  • (a.) Temper; natural disposition; inclination.
  • (a.) A sort of spice, the grain of paradise.
  • (v. t.) To paint in imitation of the grain of wood, marble, etc.
  • (v. t.) To form (powder, sugar, etc.) into grains.
  • (v. t.) To take the hair off (skins); to soften and raise the grain of (leather, etc.).
  • (n.) To yield fruit.
  • (n.) To form grains, or to assume a granular ferm, as the result of crystallization; to granulate.
  • (n.) A branch of a tree; a stalk or stem of a plant.
  • (n.) A tine, prong, or fork.
  • (n.) One the branches of a valley or of a river.
  • (n.) An iron first speak or harpoon, having four or more barbed points.
  • (n.) A blade of a sword, knife, etc.
  • (n.) A thin piece of metal, used in a mold to steady a core.

Example Sentences:

  • (1) First, it has diverted grain away from food for fuel, with over a third of US corn now used to produce ethanol and about half of vegetable oils in the EU going towards the production of biodiesel.
  • (2) It is possible that the formation of a mycetoma grain may limit a patient's exposure to antigens which confer specificity, an explanation which may also account for the variability in antibody responses seen.
  • (3) Preserving alfalfa as silage and feeding in a TMR to cows in early lactation resulted in greater milk production via increased DMI or improved feed efficiency compared with preserving alfalfa as hay and feeding grain separately.
  • (4) Results indicate that the rachitogenic factor in rye is not present in the ash portion of the grain, that it can be largely overcome by water extraction and penicillin supplementation, and that an organic solvent extraction has no effect.
  • (5) Light microscope autoradiography revealed the development of specific silver grains in the medial layer of epineurial and perineurial arteries in sections of sciatic nerve exposed either to [3H]DHA or [3H]QNB.
  • (6) The 180-acre imperial palace appears to send ripples through the surrounding urban grain like a rock thrown into a pond, forming the successive layers of ring-roads.
  • (7) The impact of pollen on the respiratory mucosa was modeled by studying the process by which solutes are eluted from pollen grains.
  • (8) One part fresh pollen grains is uniformly mixed with nine parts of the solution and left at room temperature for at least 5 hr.
  • (9) With [3H]proline as precursor, the grain densities were greater over surface epithelium than over submucosal gland.
  • (10) We have recently demonstrated in vitro a potential biological mechanism which could occur in vivo upon inhaling airborne graon dust, thereby constituting a potential inflammatory insult to the respiratory tracts of grain workers.
  • (11) In addition, livestock-rearing can use up to 200 times more water a kilogram of meat compared to a kilo of grain.
  • (12) Dietary recommendations for cancer prevention advise reduced intake of fat; increased intake of fruits, vegetables, and grains; and moderate intake of alcohol and salt-cured, salt-pickled, and smoked foods.
  • (13) Most cases are diagnosed histologically by identification of an actinomycotic grain in the center of the abscess or by cytologic features on Papanicolaou smears.
  • (14) The labelling intensity (as estimated by the number of silver grains per unit of cytoplasmic area) was maximum in cells having dense-cored vesicles whose mean diameter was between 130 and 170 nm, but decreased for cells with mean diameter of dense cores smaller than 130 nm, or larger than 170 nm.
  • (15) Comparison of autoradiograms with Nissl-stained sections allowed precise correlation of autoradiographic grain distribution with cytoarchitecture.
  • (16) "Nonthyroidectomy" cells had few silver grains over RER; most were over secretory granules and Golgi areas.
  • (17) After 2,6 and 24 hours there is a progressive increase of silver grains on the extracellular space most of them concentrated over thick collagen fibrils.
  • (18) The grain distribution over luteal cells and arteriolar smooth muscle was reduced (p less than 0.001) after coincubation with excess unlabeled LTC4 but not with excess unlabeled LTA4, LTB4, LTD4, LTE4, prostaglandin (PG)E2, PGF2 alpha or PGI2.
  • (19) The pollen sterility (up to 30% of grains) is due to the abortive spore development.
  • (20) The resolution of radioautography with 59Fe was determined with a line source and the distance from the hot line within which half of the grains fell (HD value) was 1650 A.

Scratch


Definition:

  • (v. t.) To rub and tear or mark the surface of with something sharp or ragged; to scrape, roughen, or wound slightly by drawing something pointed or rough across, as the claws, the nails, a pin, or the like.
  • (v. t.) To write or draw hastily or awkwardly.
  • (v. t.) To cancel by drawing one or more lines through, as the name of a candidate upon a ballot, or of a horse in a list; hence, to erase; to efface; -- often with out.
  • (v. t.) To dig or excavate with the claws; as, some animals scratch holes, in which they burrow.
  • (v. i.) To use the claws or nails in tearing or in digging; to make scratches.
  • (v. i.) To score, not by skillful play but by some fortunate chance of the game.
  • (n.) A break in the surface of a thing made by scratching, or by rubbing with anything pointed or rough; a slight wound, mark, furrow, or incision.
  • (n.) A line across the prize ring; up to which boxers are brought when they join fight; hence, test, trial, or proof of courage; as, to bring to the scratch; to come up to the scratch.
  • (n.) Minute, but tender and troublesome, excoriations, covered with scabs, upon the heels of horses which have been used where it is very wet or muddy.
  • (n.) A kind of wig covering only a portion of the head.
  • (n.) A shot which scores by chance and not as intended by the player; a fluke.
  • (a.) Made, done, or happening by chance; arranged with little or no preparation; determined by circumstances; haphazard; as, a scratch team; a scratch crew for a boat race; a scratch shot in billiards.

Example Sentences:

  • (1) To test the hypothesis that EAA agonists are involved in transmission of nociceptive information in the spinal cord, we tested the effect of various opioid, sigma and phencyclidine compounds on the action of NMDA in the tail-flick, hot-plate and biting and scratching nociceptive tests.
  • (2) Some organization schemes concerning locomotor and scratching rhythmicity generators are considered, such as: two half-centres with reciprocal inhibitory connections and tonic excitatory influences on these half-centres: two half-centres with inhibitory-excitatory connections and tonic excitatory influences on one half-centre; ring structures consisting of more than two functional groups of neurons with excitatory and inhibitory connections between them.
  • (3) In an interview with the Guardian, James Hansen, the world's pre-eminent climate scientist, said any agreement likely to emerge from the negotiations would be so deeply flawed that it would be better to start again from scratch.
  • (4) The satisfaction derived from smoking depends not only on the pharmacological effects of nicotine but also the sensory stimulation from smoke inhalation, particularly the tracheal 'scratch'.
  • (5) The pathogenesis of the prolific mite population is unclear, but either a specific immunologic deficit or the inability to effectively eliminate the mites by scratching is a plausible possibility.
  • (6) Forty-three percent of dog bites, and 52% of cat bites-scratches were provoked, that is, happened while the victim was interacting with the animal.
  • (7) If the NHS was being created from scratch, primary and community care would be treated as one service.
  • (8) The timing of knee extensor activity within the hip cycle is different for each form of the scratch (Robertson et al., 1985); thus, the sign of the reset cannot be predicted from the timing of the stimulus relative to the knee extensor cycle.
  • (9) We report a patient with cat scratch disease who presented with multiple scattered nodular lesions on the legs.
  • (10) Application of APV to a midbody segment also reduced the magnitude of temporal summation in the scratch circuit in response to electrical stimuli delivered to the shell at 4- to 5-s intervals.
  • (11) Windshields, spectacles, contact lenses, lashes, an excessive tear meniscus, intraocular lens scratches, and posterior capsular opacification are possible causes that can be easily identified and treated.
  • (12) Ventral UVA pre-exposure did not appear to affect dorsal skin irritation as expressed by scratch marks.
  • (13) A rare vascular proliferation found as a skin lesion in patients suffering from the acquired immunodeficiency syndrome and sometimes referred to as epithelioid angiomatosis is believed to be a manifestation of infection by the cat scratch bacillus or a related organism.
  • (14) We have made Afghanistan stronger by building up from scratch strong security forces.
  • (15) Immunoperoxidase staining with an antiserum raised against the cat-scratch disease bacillus stained these organisms in all patients.
  • (16) licking, scratching, grooming, head and limb movements), a reaction termed immobility.
  • (17) These data suggest that hindlimb scratching induced by 5-HT agonists may not be centrally mediated but rather may be mediated by a neuronal 5-HT1A receptor localized outside the blood-brain barrier.
  • (18) In contrast, after weaning they showed a significant increment in the duration of face-washing, head-washing, fur licking and body-scratching.
  • (19) A strong correlation was found between reduction in scratching and improvement in skin status.
  • (20) But screens already demonstrated by GT can withstand scratches from concrete.