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A system in Classical architecture of grouping columns in a colonnade based on the diameters of the columns.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
Systems of grouping columns in classical architecture. Also see intercolumniation.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.