Portland stone
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Portland stone — is a limestone from the Jurassic period quarried on the Isle of Portland, Dorset. The quarries consist of beds of white grey limestone separated by chert beds. It has been used extensively throughout the British Isles, notably in major public… … Wikipedia
Portland stone — Port land stone A yellowish white calcareous freestone from the Isle of Portland in England, much used in building. [1913 Webster] … The Collaborative International Dictionary of English
portland stone — n. a limestone from the Isle of Portland in Dorset, used in building. * * * noun Etymology: from Isle of Portland, peninsula in southern England, its locality 1. usually capitalized P : a yellowish white oolitic building limestone 2. usually… … Useful english dictionary
Portland stone — noun limestone from the Isle of Portland in Dorset, valued as a building material … English new terms dictionary
Portland stone — /pɔtlənd ˈstoʊn/ (say pawtluhnd stohn) noun a type of limestone, used in building. {quarried on the Isle of Portland, Dorset, England} …
Portland — has many meanings. It is the name of numerous cities, the largest of which is Portland, Oregon, in the United States. The name originated with the Isle of Portland, in Dorset, United Kingdom. It applies to people, buildings, passenger trains,… … Wikipedia
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 Bill — is a narrow promontory (or bill) of Portland stone, which forms the most southerly part of Isle of Portland, and therefore also the county of Dorset, England.The Bill is an important way point for coastal traffic, and so three lighthouses have… … Wikipedia
Portland Independent Top Whitbed — is the variety of Portland stone used to build The Ashton Memorial in Lancaster. It originates from Independent quarries on the Isle of Portland, Dorset … 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
