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(chemical engineering)
In a plastics molding operation, material remaining in the transfer chamber after the mold has been filled.
(science and technology)
Material rejected for being below standard grade.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


Any building material rejected as being below standard quality.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

cull, brack, wrack

A piece of lumber or brick of a quality below the lowest accepted grade or below specifications.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Thus, the first two terms amount to net local reproduction rate, the third and fourth terms to net immigration rate (ignoring density-dependent migration between cells), and the last term to the cull rate.
As many as 129,000 culled chickens came from five farms in the villages of San Carlos and Sta.
Yet both organisations support more aggressive cattlecontrol policies which would lead to more uninfected cattle being culled.
The real cull to consider is removal of the right number of does--especially old ones--to control population growth.
The badger cull, which started in 2013, continues to confound common sense.
Ministers and farmers argue the badger culls are necessary to tackle TB in livestock that can pick up the disease from wild badgers.
It came as badger culls began this week in Dorset and continued in other parts of England, despite fierce oppostition from among others Queen guitarist and campaigner Brian May.
On Thursday, ACT Civil and Administrative Tribunal will inspect the designated reserves as territory government plans to cull more than 1600 eastern grey kangaroo.
The first badger cull in 15 years began in South West England in September which means that around 5,000 badgers will be shot in Somerset and Gloucestershire.
Natural England said the cull ended three weeks early because marksmen were unable to reach even their amended targets.