noun
Etymology: portland cement
: a cement produced by intimately intergrinding a mixture of portland cement clinker and granulated blast-furnace slag in widely varying proportions
noun
Etymology: portland cement
: a cement produced by intimately intergrinding a mixture of portland cement clinker and granulated blast-furnace slag in widely varying proportions
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012