clinker brick
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clinker brick
A very hard burnt brick whose shape is distorted by nearly complete vitrification; used mainly for paving or as ornamental accents.

Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
clinker brick
A very hard-burnt brick whose shape is distorted, owing to nearly complete vitrification; used for paving.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.