pozzuolana

enUK

poz·zo·lan

P0495500 (pŏt′sə-län′) also poz·zo·la·na (-sə-lä′nə) or poz·zuo·la·na (-swə-)n.1. A siliceous volcanic ash used to produce hydraulic cement.2. Any of various powdered substances that react with lime to form strengthening or enhancing compounds in cement.

[Italian pozzolana, after Pozzuoli.]

poz′zo·la′nic adj.

pozzuolana

(ˌpɒtswəˈlɑːnə) or

pozzolana

n1. (Geological Science) a type of porous volcanic ash used in making hydraulic cements2. (Building) any of various artificial substitutes for this ash used in cements German name: puzzolana [C18: from Italian: of Pozzuoli]

pozzuolana

pozzolan, pozzolona, pozzuolana

A siliceous or siliceous and aluminous material, which in itself possesses little or no cementitious value but will, in finely divided form and in the presence of moisture, chemically react with calcium hydroxide at ordinary temperatures to form compounds possessing cementitious properties.

单词	pozzuolana
释义	pozzuolana enUK poz·zo·lan P0495500 (pŏt′sə-län′) also poz·zo·la·na (-sə-lä′nə) or poz·zuo·la·na (-swə-)n.1. A siliceous volcanic ash used to produce hydraulic cement.2. Any of various powdered substances that react with lime to form strengthening or enhancing compounds in cement. [Italian pozzolana, after Pozzuoli.] poz′zo·la′nic adj. pozzuolana (ˌpɒtswəˈlɑːnə) or pozzolana n1. (Geological Science) a type of porous volcanic ash used in making hydraulic cements2. (Building) any of various artificial substitutes for this ash used in cements German name: puzzolana [C18: from Italian: of Pozzuoli] pozzuolana enUK pozzolan, pozzolona, pozzuolana A siliceous or siliceous and aluminous material, which in itself possesses little or no cementitious value but will, in finely divided form and in the presence of moisture, chemically react with calcium hydroxide at ordinary temperatures to form compounds possessing cementitious properties.
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