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air space[¦er ¦spās]
An enclosed space containing air in a wall for thermal insulation.
The space in a firearm between the powder charge and projectile.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A hollow space between the inner surfaces within a building, or building component, such as between the panes of insulating glass, inner surfaces of masonry walls, between ceiling and floor in steel truss construction, and between an inner and outer dome.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
The space above private property or public property for which air rights may be granted.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.