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a working full-scale model of a machine, apparatus, etc., for testing, research, etc.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
A model of an object in the course of design, as in a cross section of a window or its parts; built to scale or full size, for studying construction details, judging its appearance, and/or testing performance.See also: Design
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
A model of an object in the course of design, as a section of a window or its parts; built to scale or at full size, for purposes of studying construction details, judging appearance, and/or testing performance.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
A full-sized imitation of a real device component or a full aircraft. They are built to determine whether all the components will fit as they are designed. They also are used as training aids.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved