opus caementicium « Back to Glossary Index Ancient Roman masonry construction using undressed stones laid in a mortar composed of sand, lime, and pozzolan; in some Roman provinces, pozzolan was not used in the mortar. (Harris, 1977) Photo from Rome, Italy, 2025. Related Articles: Architecture / Skin / MasonryArchitecture / Skin / Ornament / MosaicArchitecture / Origin / Roman« Back to Glossary Index
