English Semicircular arch Cited by user Викидим on 01 Jan 2024 Semicircular arch is an arch with intrados (inner surface) shaped like a semicircle.
English Caisson (lock gate) Cited by user Citation bot on 25 Nov 2020 A caisson is a form of lock gate. It consists of a large floating iron or steel box.
English Glossary of geology Cited by user Paradoctor on 29 Jan 2020 This glossary of geology is a list of definitions of terms and concepts relevant to geology, its sub-disciplines, and related fields.