The Corinthian style was developed in ancient Greece and classified as one of the Classical Orders of Architecture, it is characterized by an ornate capital with acanthus leaves.

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The Corinthian Order
To ensure buildings echoed a cohesive sense of style, Greeks created three orders of architecture, groups of design elements meant to go together on a building’s exterior decoration. All orders included specific kinds of columns, capitals, and decorations. The three Greek architectural orders were Doric, which was the most simple; Ionic, which was a bit more decorative; and the Greek Corinthian order.

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The proportions of the orders were formed on those of the human body. The Corinthian, along with the Composite, is the most ornate of the orders. This architectural style is characterized by slender fluted columns and elaborate capitlals decorated with acanthus leaves and scrolls. As it is for other classic styles, the kind of building can request modifications to the canon of the style itself.

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Style Characteristics
The most important features of Corinthian order are:
- The hanging capital, that is carved with two staggered rows of stylized acanthus leaves and four scrolls.
- The shaft has twenty-four sharp-edged flutes, while the column is ten diameters high. In its proportions, the Corinthian column is comparable to the Ionic column, although it is more slender, and stands apart by its distinctive carved capital.
- The abacus upon the capital has concave sides that conform to the corners of the capital, and it may have a rosette in the middle of each side.

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This Order has always been related to Beauty. Taken as a whole, it was developed by the Romans into an expression of the grandest architectural show. Vitruvius described the Corinthian column as an imitation of the slenderness of a maiden. The oldest known building designed in line with this order is the Choragic Monument of Lysicrates in Athens.

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The Meaning of the Acanthus Leaves
The acanthus leaves were also adopted in Christian architecture, in the Gallo-Roman capitals, and in the sepulchral monuments, to symbolize the Resurrection, evident in the Romanesque art because the Corinthian order was mainly used for capitals in the choir of a church, were kept the relics of the saints to whom the Resurrection was and is promised, often with a number symbolic of leaves or flower buds.

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Info source: https://www.britannica.com/technology/Corinthian-order