PORTLAND CEMENT


Meaning of PORTLAND CEMENT in English

[port.land cement] n [Isle of Portland, England; fr. its resemblance to a limestone found there] (1824): a hydraulic cement made by finely pulverizing the clinker produced by calcining to incipient fusion a mixture of clay and limestone or similar materials

Merriam-Webster English vocab.      Английский словарь Merriam Webster.