What's the difference between cement and limestone?

Cement


Definition:

  • (n.) Any substance used for making bodies adhere to each other, as mortar, glue, etc.
  • (n.) A kind of calcined limestone, or a calcined mixture of clay and lime, for making mortar which will harden under water.
  • (n.) The powder used in cementation. See Cementation, n., 2.
  • (n.) Bond of union; that which unites firmly, as persons in friendship, or men in society.
  • (n.) The layer of bone investing the root and neck of a tooth; -- called also cementum.
  • (n.) To unite or cause to adhere by means of a cement.
  • (n.) To unite firmly or closely.
  • (n.) To overlay or coat with cement; as, to cement a cellar bottom.
  • (v. i.) To become cemented or firmly united; to cohere.

Example Sentences:

  • (1) In this study, a potassium nitrate-polycarboxylate cement was used as a liner and was found clinically to tend to preserve pulpal vitality and significantly eliminate or decrease postoperative pain.
  • (2) The incidence of femur fracture in non-cemented hip arthroplasty has been reported to be between 4.1% and 27.8%.
  • (3) Essential characteristics of the composite bone cement included a homogeneous and uniform fiber distribution, and a minimal increase in apparent viscosity of the polymerizing cement.
  • (4) 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.
  • (5) Cermet cement sealings showed defects more frequently.
  • (6) On Monday, the day after a party congress officially cementing Putin's candidacy in the 4 March presidential election, the top stories on Inosmi concerned modernisation, the eurozone crisis and Iran.
  • (7) To overcome these problems we developed methotrexate bone cement (MTX-Palacos) with the aim to obtain high local concentrations of methotrexate in order to destroy remaining tumor cells and avoid systemic side effects.
  • (8) The component was revised in forty-five patients, revision and advancement of the trochanteric component was done in twenty-five patients, and impinging bone or cement was removed from six patients; a combination of these procedures was done in nineteen patients.
  • (9) No clear population trends were seen in dental disease incidence except for cemental caries which were found among Copper and Bronze Age remains.
  • (10) All the flies were collected from a breeding site inside an abandoned cement building.
  • (11) Bone cement particles promote polyethylene wear, which in turn promotes granuloma formation, bone resorption, and subsequent bone cement disintegration.
  • (12) In addition, hypertension, blood group, surgical approach, and choice of cemented or cementless total hip replacement did not seem to affect the incidence of deep-vein thrombosis.
  • (13) The use of glass-ionomer cements in clinical dentistry has expanded greatly over the last decade.
  • (14) This study evaluated the bond strength between glass ionomer cements and laser-etched dentin.
  • (15) Microscopy revealed a spectrum of tissue reactions, ranging from a seemingly direct bone-cement contact to a fibrous membrane, up to 1.5 mm thick.
  • (16) Forty metal femoral cups were matched with a cemented acetabulum, while with 46 the acetabular implant was cementless.
  • (17) Cement was pressurized into the cavity of the anatomic specimens, and the maximum interface shear strength between the cement plug and the bone was experimentally determined for each revision.
  • (18) No significant differences were found among any of the cements at any of the times.
  • (19) With equal cementing conditions and points of measurement for all crowns, the PFM crowns were found to be significantly superior to the other crown types.
  • (20) This study evaluated the usefulness and accuracy of preoperative planning for cemented and cementless total hip arthroplasty (THA).

Limestone


Definition:

  • (n.) A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or dolomitic limestone. Crystalline limestone is called marble.

Example Sentences:

  • (1) Another pint of Guinness That evening we set out again, this time to O'Donoghue's in Fanore, a blue-painted stone pub set on the thin shelf of land between the sea and the great limestone mountain that is called the Burren.
  • (2) Using Koufonissi as a base, there are daily excursions by caique and ferry to nearby islands, including Iraklia, where walkers can follow a pilgrims' trail across the high lands to spectacular St John's Cave, carved into a limestone cliff.
  • (3) Bacterial counts did not differ between sand and crushed limestone.
  • (4) Earlier this year, a century-old wasteland of limestone and red dirt in south-west Nigeria was transformed into the biggest cement plant in Africa.
  • (5) Built on a scrubby ridge of limestone pavement, the houses of Khirbet Susiya are closely overlooked by a neighbouring Israeli settlement built on land expropriated from the villagers – illegal under international law – and, unlike the Palestinian village, connected to public services.
  • (6) Effects were evaluated of high dietary levels of magnesium oxide (MgO) or limestone on DM, OM and CP digestibility, N balance and intestinal absorption of amino acids by lambs fed a high concentrate diet.
  • (7) FIVE MORE FRENCH COASTAL GEMS Marseille grotto Facebook Twitter Pinterest Photograph: Alamy A 40-minute walk from Marseille’s Luminy university campus, Calanque de Sugiton, the most picturesque of the city’s rugged, limestone coves has blue-green waters, twisted pine trees and a narrow island-rock to swim out to known as Le Torpilleur.
  • (8) Limestone supplied supplemental Ca and treatment P levels were supplied by monosodium phosphate.
  • (9) Off the south-west coast of Ibiza stands Es Vedrà, a 400m-high limestone rock which legend suggests was the island of the Sirens who lured sailors to their deaths in Homer's Odyssey.
  • (10) Diets containing 25:75 corn silage to concentrates and .95% calcium from either coarse or fine limestone were fed to rumen-fistulated heifers.
  • (11) Treatments included control diet alone or control diet with the addition of 1.60% defluorinated rock phosphate-medium (DRP-M, 77% greater than 150 mu but less than 1,180 mu), 1.60% defluorinated rock phosphate-coarse (DRP-C, 85% greater than 850 mu but less than 1,700 mu), 1.28% limestone (92% greater than 150 mu but less than 850 mu) or .50% MgO, (81% greater than 250 mu but less than 1,180 mu), as an as-fed basis.
  • (12) The in vivo Ca solubilization in hens was determined by subtracting Ca recovered as limestone in the excreta (by repeated washing) from Ca fed as limestone.
  • (13) Detail from a Mayan limestone relief of a blood-letting ritual.
  • (14) Milk, flavor score was acceptable but tended to be lower for milk from cows fed sunflower seeds with additional limestone (8.4, 8.5, and 7.9).
  • (15) Target Field, a $545m limestone-encased jewel that opened in 2010, produced an All-Star cycle just eight batters in, with hitters showing off flashy neon-bright spikes and fielders wearing All-Star caps with special designs for the first time.
  • (16) A highly reactive limestone was selected for use in two digestion trials with Holstein steers.
  • (17) The Florida resort lies less than 10 feet above sea level; an increasing number of tropical storms are inundating the city; and it is built on a dome of porous limestone which is absorbing the rising seawater.
  • (18) Stand on the limestone pavement near Long Churn Cave in the Yorkshire Dales and it feels as if you are standing on top of time itself.
  • (19) Approximately 14 days after exploring a limestone cave in northcentral Florida in February 1973, an 18-year-old female developed a respiratory illness with pronounced shortness of breath and cyanosis.
  • (20) There's limestone and sandstone to the north, but Aswan's bedrock is hornblende granite.