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Cement definition is concrete. How to use cement in a sentence. b: a powder of alumina, silica, lime, iron oxide, and magnesium oxide burned together in a kiln and finely pulverized and used as an ingredient of mortar and concrete also: any mixture used for a similar purpose
Define cement. cement synonyms, cement pronunciation, cement translation, English dictionary definition of cement. n. 1. a. A building material made by grinding calcined limestone and clay to a fine powder, which can be mixed with water and poured to set as a solid mass Cement definition of cement by The Free Dictionary.
2020. 8. 31.· Le cément dentaire est le tissu qui recouvre la dentine au niveau de la racine.. La couronne de la dent est protégée par l'émail, mais la racine n'est protégée que par le cément , une couche de cellules constituant un tissu calcifié fin et dur permettant la forte cohésion, par l’intermédiaire de la racine, d’une dent avec l’os constituant la mâchoire dans laquelle elle est
‘Construction methods are traditional: earth bricks, stone, gravel, cement and sand, with flat or thatched roofs.’ ‘This figure is the ratio of sand to the sum of the Portland cement, lime, and mortar cement or masonry cement in the mortar.’
cement, binding material used in construction and engineering, often called hydraulic cement, typically made by heating a mixture of limestone and clay until it almost fuses and then grinding it to a fine powder. When mixed with water, the silicates and aluminates in the cement undergo a stone reaction; the resulting hardened mass is then impervious to water.
Definition and synonyms of cement from the online English dictionary from Macmillan Education.. This is the British English definition of cement.View American English definition of cement.. Change your default dictionary to American English. View the pronunciation for cement.
cement [se-ment´] 1. a substance that produces a solid union between two surfaces. 2. dental cement. 3. cementum. dental cement any of various bonding substances that are placed in the mouth as a viscous liquid and set to a hard mass; used in restorative and orthodontic dental procedures as luting (cementing) agents, as protective, insulating
2020. 9. 1.· Cement, one of the most important building materials, is a binding agent that sets and hardens to adhere to building units such as stones, bricks, tiles etc. Cement generally refers to a very fine powdery substance chiefly made up of limestone (calcium), sand or clay (silicon), bauxite (aluminum) and iron ore, and may include shells, chalk, marl, shale, clay, blast furnace slag, slate.
Cement, in general, adhesive substances of all kinds, but, in a narrower sense, the binding materials used in building and civil engineering construction. Cements of this kind are finely ground powders that, when mixed with water, set to a hard mass. Learn more about cement