What's the difference between cement and sandstone?

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).

Sandstone


Definition:

  • (n.) A rock made of sand more or less firmly united. Common or siliceous sandstone consists mainly of quartz sand.

Example Sentences:

  • (1) Flames could be seen through the scorched windows and billowing out of the roof of the sandstone building on the corner of Renfrew Street and Scott Street.
  • (2) Pueblo Bonita, constructed from artfully stacked sandstone blocks between AD900 and 1100, was once the centre of culture and commerce for the ancient Puebloan people .
  • (3) Aside from history enthusiasts and couples seeking privacy from the crowded city, few enter the red sandstone gate between the fort’s stout bastions.
  • (4) This is probably explained by the intensity of exposure and the particular kind of sandstone being worked.
  • (5) Inside the cottages – which sleep four, five and six people – oak beams and sandstone walls are offset by 21st-century comforts such as satellite TV, DVD players and dishwashers.
  • (6) The light sandstone Union Buildings , at 99 a year younger than the ANC, are a visual metaphor for the republic's rich and sometimes jarring contradictions.
  • (7) The prevalence of silicosis in these open-cast sandstone quarriers is unexpectedly high.
  • (8) For an intimate encounter with this geology and the water that helped to form it, head to the canyon systems of Wadi Mujib to take on the Malaqi Trail, a sandstone assault course of rocky scrambles and dizzying waterfall rappels.
  • (9) The standardized incidence ratio (SIR) for lung cancer was 200 (44 observed, 22.0 expected) for all skilled stone workers, 808 (7 observed, 0.9 expected) for skilled sandstone cutters in Copenhagen, 119 (8 observed, 6.5 expected) for skilled granite cutters in Bornholm, 181 (24 observed, 13.2 expected) for all unskilled stone workers, 246 (17 observed, 6.9 expected) for unskilled workers in the road and building material industry, and 111 (7 observed, 6.3 expected) for unskilled workers in the stonecutting industry.
  • (10) There's limestone and sandstone to the north, but Aswan's bedrock is hornblende granite.
  • (11) The iron-oxides (superfine hematite) are eroded from the Peron Sandstone exposed in some coastal cliffs and constitute up to 2% of substrate sediments near these cliffs.
  • (12) Many of the grindstones used in Nigerian homes are quarried from sandstone in a small group of villages near Kano in the extreme north of the country.
  • (13) It's nonsense: Brown at best is some sort of decayed shale, shattered rubble containing the odd fossil and Cameron a rather smart golden sandstone.
  • (14) It comes from the new locality of Xirochori in the red sandstone of the Nea Messimbria formation.
  • (15) Monument Valley is named for the dozens of free-standing sandstone buttes and monoliths that tower above the sweeping sagebrush landscape.
  • (16) For water-wet Berea Sandstone a flood front was readily observed, but some of the oil was apparently left behind in small, isolated pockets which were larger than individual pores.
  • (17) Mahendraparvata was never really "lost" – the mountain has long been known as the location of the sandstone quarries that built Angkor's cities, as well as the source of water for a complex system that irrigated the vast empire.
  • (18) From these offices, on the lower ground floor of a Victorian sandstone building in central Glasgow, campaigners with Yes Scotland are preparing to unleash a torrent of billboard adverts, celebrity endorsements, star-studded campaign rallies, street stalls and pop-up shops selling independence for Scotland .
  • (19) Carved into the sandstone bedrock of north-eastern Arizona, near Chinle, the three spectacular canyons, De Chelly, Del Muerto, and Monument, lie at the centre of the Navajo Nation and at the heart of many native legends.
  • (20) Experimental NMR imaging measurements of two-phase displacement were conducted in several limestones and sandstones representing various different types of pore structures, including a macroscopically homogeneous structure, a laminated structure, and a sample that exhibits porosity at different scales.