Glossary · Q
Quinto acuto
Also called pointed fifth
The “pointed fifth”: a Tuscan construction for a pointed arch or dome profile in which each arc has a radius of four-fifths of the span. It governs the angle ribs of the Florence dome.
Where it appears in the book
In the chapters Renaissance and Baroque.
Nearby in the glossary
Quadrant vault · Quadratura · Quadripartite vault · Quincunx · Quoin · Radiating chapels · Rafter · Ratha