Webster's 1828 Dictionary

PORTLAND-STONE

n.A compact sandstone from the isle of Portland in England, which forms a calcarious cement.

 

Webster's 1913 Dictionary

PORTLAND CEMENT

PORTLAND CEMENT Port "land ce *ment ".

 

Defn: 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, and hardens under water.

 

PORTLAND STONE

PORTLAND STONE Port "land stone ".

 

Defn: A yellowish-white calcareous freestone from the Isle of Portland in England, much used in building.

 

PORTLAND VASE

PORTLAND VASE Port "land vase `.

 

Defn: A celebrated cinerary urn or vase found in the tomb of the Emperor Alexander Severus. It is owned by the Duke of Portland, and kept in the British Museum.

 

New American Oxford Dictionary

Portland

Port land |ˈpôrtlənd ˈpɔrtlənd | 1 the largest city in Maine, on Casco Bay off the Atlantic Ocean, in the southwestern part of the state; pop. 62,561 (est. 2008 ). 2 an industrial port in northwestern Oregon, on the Willamette River near its confluence with the Columbia River; pop. 557,706 (est. 2008 ). The largest city in Oregon, it was founded in 1845 and developed as a supply center for the gold rushes of the 1860s and 1870s and as a port for the lumber trade.

 

Portland, Isle of

Portland, Isle of a rocky limestone peninsula on the south coast of England, in Dorset. Its southernmost tip is known as the Bill of Portland or Portland Bill. The peninsula is quarried for its fine building stone.

 

Portland cement

Port land ce ment |ˈpɔːrtlənd səˈmɛnt |(also portland cement ) ▶noun cement that is manufactured from limestone and clay and that hardens under water. ORIGIN 1810s: named after the Isle of Portland in Dorset, England, a limestone peninsula quarried for its fine building stone.

 

Portland stone

Port |land stone |ˈpɔːtlənd | ▶noun [ mass noun ] limestone from the Isle of Portland in Dorset, highly prized as a building material.

 

Portland vase

Port |land vase a dark blue Roman glass vase with white decoration, dating from around the 1st century ad. Acquired in the 18th century by the Duchess of Portland, it is now in the British Museum.

 

Oxford Dictionary

Portland

Port |land |ˈpɔːtlənd | 1 an industrial port in NW Oregon, on the Willamette River near its confluence with the Columbia River; pop. 557,706 (est. 2008 ). 2 a shipping forecast area covering the English Channel roughly between the meridians of Start Point in the west and Poole in the east, taking its name from the Isle of Portland.

 

Portland, Isle of

Portland, Isle of a rocky limestone peninsula on the south coast of England, in Dorset. Its southernmost tip is known as the Bill of Portland or Portland Bill. The peninsula is quarried for its fine building stone.

 

Portland cement

Port |land ce ¦ment |pɔːtləndsɪˈmɛnt | ▶noun [ mass noun ] cement manufactured from chalk and clay which hardens under water and when hard resembles Portland stone in colour.

 

Portland stone

Port |land stone |ˈpɔːtlənd | ▶noun [ mass noun ] limestone from the Isle of Portland in Dorset, highly prized as a building material.

 

Portland vase

Port |land vase a dark blue Roman glass vase with white decoration, dating from around the 1st century ad. Acquired in the 18th century by the Duchess of Portland, it is now in the British Museum.

 

Duden Dictionary

Portlandzement

Port land ze ment Substantiv, maskulin , der |P o rtlandzement |ohne Plural englisch Portland cement; nach der britischen Kanalinsel Portland Zement mit bestimmten genormten Eigenschaften Abkürzung: PZ

 

Spanish Dictionary

portland

portland nombre masculino Cemento compuesto de una mezcla de caliza y arcilla, que fragua muy despacio y es muy resistente; al secarse adquiere un color semejante al de la piedra de las canteras inglesas de Portland .También cemento portland .Se pronuncia aproximadamente ‘porlan ’.