Pozzuolana Poz`zu*o*la"na, Pozzolana Poz`zo*la"*na, n. [It.] Volcanic ashes from Pozzuoli, in Italy, used in the manufacture of a kind of mortar which hardens under water. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Pozzolana — Pozzolana, also known as pozzolanic ash, is a fine, sandy volcanic ash, originally discovered and dug in Italy at Pozzuoli in the region around Vesuvius, but later at a number of other sites. Vitruvius speaks of four types of pozzolana: black,… …   Wikipedia

  • pozzolana — /pot seuh lah neuh/; It. /pawt tsaw lah nah/, n. a porous variety of volcanic tuff or ash used in making hydraulic cement. Also, pozzolan /pot seuh leuhn/, pozzuolana /pot sweuh lah neuh/; It. /pawt tswaw lah nah/, puzzolan, puzzolana. [1905 10;… …   Universalium

  • pozzolana — or pozzolan noun Etymology: Italian pozzolana Date: circa 1706 finely divided siliceous or siliceous and aluminous material that reacts chemically with slaked lime at ordinary temperature and in the presence of moisture to form a strong slow… …   New Collegiate Dictionary

  • pozzolana — 1poz·zo·là·na s.f. TS mar. piccola imbarcazione usata nel Napoletano per la pesca con le nasse e i tramagli; anche agg.: barca pozzolana {{line}} {{/line}} DATA: 1937. ETIMO: der. del lat. Puteolanus, der. di Puteoli, nome di una località in… …   Dizionario italiano

  • pozzolana — noun A type of volcanic ash used for mortar or for cement which sets under water. See Also: pozzolan, pozzolanic …   Wiktionary

  • pozzolana — {{hw}}{{pozzolana}}{{/hw}}s. f.  (pl. pozzolane ) (geol.) Tufo recente, poco cementato, di colore grigio o rossastro, usato per far malte idrauliche …   Enciclopedia di italiano

  • pozzolana — pozzolana1 pl.f. pozzolane pozzolana2 pl.f. pozzolane …   Dizionario dei sinonimi e contrari

  • pozzolana — [ˌpɒtsə lα:nə] noun a type of volcanic ash used for mortar or for cement that sets under water. Origin C18: from Ital., from pozz(u)olana (earth) of Pozzuoli , a town near Naples …   English new terms dictionary

  • pozzolana — poz·zo·la·na …   English syllables

  • pozzolana — n. (also puzzolana) a volcanic ash used for mortar or hydraulic cement. Etymology: It., f. pozz(u)olano (adj.) of Pozzuoli near Naples …   Useful english dictionary

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