What's the difference between gravel and particle?

Gravel


Definition:

  • (n.) Small stones, or fragments of stone; very small pebbles, often intermixed with particles of sand.
  • (n.) A deposit of small calculous concretions in the kidneys and the urinary or gall bladder; also, the disease of which they are a symptom.
  • (v. t.) To cover with gravel; as, to gravel a walk.
  • (v. t.) To run (as a ship) upon the gravel or beach; to run aground; to cause to stick fast in gravel or sand.
  • (v. t.) To check or stop; to embarrass; to perplex.
  • (v. t.) To hurt or lame (a horse) by gravel lodged between the shoe and foot.

Example Sentences:

  • (1) The dogs were housed in gravel-based, outdoor pens with doghouses in a high-altitude, high-sunshine level environment.
  • (2) Except for the blue guard towers it is drained of colour, a grey sameness coating gravel, fences and buildings.
  • (3) A former showgirl from the gravel pits of Wraysbury in Berkshire, Keeler was just 19 and was staying on the estate with her friend, patron and (some said) pimp, the society osteopath Stephen Ward.
  • (4) I found myself skirting the wood’s perimeter, a no-go zone of the past for us, and came next to a gravel-pocked face mined by rabbits with one of the burrows crowned with the skull of an ancestor.
  • (5) Opening up these magnificent forests for logging is like mining the great pyramids of Egypt for road gravel," said McKim.
  • (6) A potholed gravel road runs to a campsite at the mouth of the Mattole river and from there you can wander south down the coast for 25 miles before you come to the next road, at Shelter Cove.
  • (7) On the Sabbath the fleet of earthmovers that ordinarily grind the route to Lombrum – ferrying gravel to the detention centre building site where a crew of 300 labor to finish new staff accommodation – are resting in their compound.
  • (8) The reactivity of soils varies widely as geological and sedimentological conditions offer typical but different environments: gravels, chalk soil, clay, salt soils, sands, cave earths are examples of this wide variety, including atmospheric and biogenetic implications.
  • (9) The cellar level is on the average 5.4 times higher if the cellar has partially a gravel or earth floor than if the whole cellar surface is covered with a concrete floor.
  • (10) But it doesn't work that way: you may have "less gravel", but most writers agree that you can only have "fewer pebbles", not "less pebbles".
  • (11) This biomass was computed from that of the organisms and associated naphthalene oxidation activity washed from the gravel compared with the original suspension.
  • (12) We can talk about "many pebbles" but not "much pebbles", "much gravel" but not "many gravel".
  • (13) Ultrasound detected 59 of 60 foreign bodies, including all cubes of meat embedded with gravel, cactus spine, plastic, metal, and wood.
  • (14) Tulisa led, and did so with panache and some beautiful gravel.
  • (15) This means putting a layer of bark, grass cuttings, manure, even gravel on top of the soil to trap moisture in the earth, or at least slow down evaporation.
  • (16) Aged 102, Bi Kidude, the gravel-voiced singer known her raucous sense of humour and her love of cigarettes, suddenly vanished from her home.
  • (17) Trying to solve an actual problem of enhancing the spontaneous passage of fragments, "calculous trails" and gravel in the patients who underwent remote lithotripsy the authors used the technique of local vibrotherapy in 54 postoperative patients.
  • (18) We are on a gravel track and have been driving for a long time.
  • (19) One of its largest islands is gentle-paced Brønnøya, with its apple orchards, gravel roads and beaches.
  • (20) Photograph: Water Literacy Foundation In Masagi’s pit-based system, permanent structures of mud, sand, soil, gravel and boulders are built, eight per acre of farmland, and partially filled with a mix of gravel and sand.

Particle


Definition:

  • (n.) A minute part or portion of matter; a morsel; a little bit; an atom; a jot; as, a particle of sand, of wood, of dust.
  • (n.) Any very small portion or part; the smallest portion; as, he has not a particle of patriotism or virtue.
  • (n.) A crumb or little piece of concecrated host.
  • (n.) The smaller hosts distributed in the communion of the laity.
  • (n.) A subordinate word that is never inflected (a preposition, conjunction, interjection); or a word that can not be used except in compositions; as, ward in backward, ly in lovely.

Example Sentences:

  • (1) Lung sections of rats exposed to quartz particles were significantly different.
  • (2) In oleate-labeled particles, besides phosphatidic acid the product of PLD action radioactivity was also detected in diglyceride as a result of resident phosphatidate phosphohydrolase, which hydrolyzed the phosphatidic acid.
  • (3) Subunits maintained under the above ionic conditions were compared with 30S and 50S particles at low (6 mM) magnesium concentration with respect to the reactivity of individual ribosomal proteins to lactoperoxidase-catalyzed iodination.
  • (4) Charcoal particles coated with the lipid extract were prepared and the suspension inoculated intravenously into mice.
  • (5) These observations suggest that the liver secretes disk-shaped lipid bilayer particles which represent both the nascent form of high density lipoproteins and preferred substrate for lecithin-cholesterol acyltransferase.
  • (6) Intramembrane particles (IMP) were quantitatively assessed in the perikaryal plasma membranes of infundibular neurons.
  • (7) The mode of ribosome degradation under this condition is discussed in terms of differential appearance of these intermediate particles.
  • (8) When commercial chickens are infected in most sensitive one-day age, the virus titre does not exceed the value of 10(12) particles per 1 ml of plasma.
  • (9) Interaction of viable macrophages with cationic particles at 37 degrees C resulted in their "internalization" within vesicles and coated pits and a closer apposition between many segments of plasmalemma than with neutral or anionic substances.
  • (10) A 2-fold increase in the dissolution rate was observed when the same number of particles was immobilized without macrophages.
  • (11) Photolysis of the photosystem I particles induces a progressive depletion of phylloquinone, however, photochemistry as assayed at room temperature by the photooxidation of P-700 is unaffected.
  • (12) Taking into account the calculated volume and considering the triangular image as one face of the particle, it is suggested that eIF-3 has the shape of a flat triangular prism with a height of about 7 nm and the above-mentioned side-lengths.
  • (13) Well defined surface projections could be found in all particle types.
  • (14) Type C-like particles were found inter- and intracellularly in gland and vessel lumina and scattered in the connective tissue.
  • (15) The intracellular distribution and interaction of 19S ring-type particles from D. melanogaster have been analysed.
  • (16) Viral particles in the cultures and the brain were of various sizes and shapes; particles ranged from 70 to over 160 nm in diameter, with a variable position of dense nucleoids and less dense core shells.
  • (17) In the absence of adequate data exclusively from studies of inhaled particles in people, the results of inhalation studies using laboratory animals are necessary to estimate particle retention in exposed people.
  • (18) Depletion of extracellular Ca2+ by EGTA [ethylene glycol-bis(beta-aminoethyl ether)-N,N,N'N'-tetraacetic acid] attenuated both [Ca2+]i increase and superoxide production induced by particles.
  • (19) Completed RNA chains were released from the subviral particles.
  • (20) Problems of calculations and predictions on more than two particles moving are known in mathematics and physics since a long time already.