Designed or arranged in the shape of an amphitheater; having the form or characteristics of an amphitheater.
From amphitheater + -ed (having or characterized by). Modern descriptive adjective for structures or spaces with amphitheater-like design.
Modern architects still use amphitheater design principles for everything from sports stadiums to concert venues because the Romans figured out the perfect formula for acoustics and sightlines 2,000 years ago.
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