Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Semicircular arch
open-in-new
<p>In <a href="/facts/Architecture/FccThs8G">architecture</a>, a semicircular arch is an <a href="/facts/Arch/t9L51pqn">arch</a> with an <a href="/facts/Intrados/t9L51pqn">intrados</a> (inner surface) shaped like a <a href="/facts/Semicircle/Im66xpfu">semicircle</a>. This type of arch was adopted and very widely used by the <a href="/facts/Ancient_Rome/cGqIuxPd">Romans</a>, thus becoming permanently associated with <a href="/facts/Roman_architecture/1wtv6yFU">Roman architecture</a>. </p>