Word.ws English Dictionary

pozzolan

pozzolan noun: any material which, when combined with calcium hydroxide, exhibits cementitious properties; often used as an extender with Portland cements.

Noun

pozzolan (plural pozzolans)

  1. Any material which, when combined with calcium hydroxide, exhibits cementitious properties; often used as an extender with Portland cements.
    • Both are what are called pozzolans, reactive materials that help make the concrete stronger.2009 March 31, Henry Fountain, “Concrete Is Remixed With Environment in Mind”, in The New York Times
    • The U.S. Bureau of Reclamation (Gilliland & Moran 1949; Moran & Gilliand 1950) developed a mortar bar expansion test using Pyrex glass as a “standard reactive aggregate” to evaluate the efficacy of pozzolans for controlling ASR. For example, in the specification for the Davis Dam in Arizona the...2020 May, Michael Thomas, David Smith, and Edward Moffatt, “THE USE OF GROUND GLASS AS A POZZOLAN”, in (Please provide the book title or journal name), page 1

Forms of pozzolan

pluralpozzolans
alternative formpozzolana

Origin of pozzolan

From Italian pozzolana.

Words formed from pozzolan

Questions about pozzolan

What does pozzolan mean?
Pozzolan means any material which, when combined with calcium hydroxide, exhibits cementitious properties; often used as an extender with Portland cements.
What part of speech is pozzolan?
Pozzolan is a noun.
What is the plural of pozzolan?
The plural of pozzolan is pozzolans.

Words near pozzolan in the dictionary

  1. Pozzi
  2. pozzie
  3. pozzies
  4. pozzing
  5. pozzing up
  6. pozzolan
  7. pozzolana
  8. pozzolanas
  9. pozzolanic
  10. pozzolanicity
  11. pozzolans

Source and license

Adapted from Wiktionary: pozzolan (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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