斜しゃ角かく柱ちゅうMeanings1nounoblique prismA prism whose lateral edges are not perpendicular to the bases. Used in geometry.斜しゃ角かく柱ちゅうの体たい積せきは、底てい面めん積せきと高たかさの積せきで求もとめられる。The volume of an oblique prism is found by multiplying the base area by the height.