Final answer:
The Corinthian order revolutionized Greek architecture by introducing intricate and decorative elements that altered the traditional use of buildings to define space.
Explanation:
The new architectural design element that allowed for experimentation and altered the way Greeks used buildings to define a space was the Corinthian order. During the Hellenistic period, the Corinthian order gained popularity, featuring slender and unfluted Doric columns and four-fronted capitals on Ionic columns. This shift in design helped solve symmetry issues on temple porticos and allowed for a more decorative and elaborate architectural style.
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