Portland cement

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• Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …   Wikipedia

• Portland cement — Port land ce*ment A cement having the color of the Portland stone of England, made by calcining an artificial mixture of carbonate of lime and clay, or sometimes certain natural limestones or chalky clays. It contains a large proportion of clay,… …   The Collaborative International Dictionary of English

• portland cement — [pôrt′lənd] n. [from resemblance of the concrete made from it to stone quarried on the Isle of Portland, England] [sometimes P c ] a kind of cement that hardens under water, made by burning a mixture of limestone and clay or similar materials …   English World dictionary

• Portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln. Also, portland cement. [1815 25; named after the Isle of Portland, Dorsetshire, England] * * * Binding agent of present day concrete. It is a finely… …   Universalium

• Portland cement — n. a cement manufactured from chalk and clay which when hard resembles Portland stone in colour. * * * Portland cement [Portland cement] noun [U] the most common type of cement used today, made from chalk and clay. It was invented in England in… …   Useful english dictionary

• Portland cement — portlandcementis statusas T sritis chemija apibrėžtis Hidraulinė rišamoji medžiaga iš klinkerio, gipso ir aktyvių hidraulinių užpildų. atitikmenys: angl. Portland cement rus. портландцемент …   Chemijos terminų aiškinamasis žodynas

• portland cement — portlandcementis statusas T sritis ekologija ir aplinkotyra apibrėžtis Hidraulinė rišamoji medžiaga – smulkus klinkerio, gipso ir aktyvių mineralinių priedų malinys. atitikmenys: angl. portland cement vok. Portlandzement, m rus. портландцемент, m …   Ekologijos terminų aiškinamasis žodynas

• Portland cement — Port′land cement′ n. bui chem. a type of hydraulic cement usu. made by burning a mixture of limestone and clay in a kiln • Etymology: 1815–25; after the Isle of Portland, Dorsetshire, England …   From formal English to slang

• portland cement — noun Etymology: Isle of Portland, England; from its resemblance to a limestone found there Date: 1824 a hydraulic cement made by finely pulverizing the clinker produced by calcining to incipient fusion a mixture of clay and limestone or similar… …   New Collegiate Dictionary

• Portland cement — noun cement manufactured from chalk and clay which resembles Portland stone in colour when hard …   English new terms dictionary

• Portland cement — /pɔtlənd səˈmɛnt/ (say pawtluhnd suh ment) noun a kind of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln. {named after the Isle of Portland, Dorset, England} …