Roman cement


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Roman cement

A quick-setting natural cement that can harden under water and is relatively impervious to water; made of a finely pulverized calcined argillaceous limestone that has been treated in a kiln at a temperature no higher than that necessary to drive off carbon dioxide.
References in periodicals archive ?
Roy at Pennsylvania State University in University Park and her colleagues found that the chemical compositions of long-lasting Roman cements are very similar to what researchers currently predict to be the most durable materials on the basis of thermodynamic principles.