Architectural and Engineering Glossary
X
On drawings, abbr. for “extra heavy.”
On drawings, abbr. for “extra strong.”
cross brace Any braces which cross each other to form the letter X.
On drawings, abbr. for “crossbar.”
In insurance terminology, letters which refer to exclusions from coverage for property damage liability arising out of explosion or blast- ing (designated by X), collapse or structural damage to any building or structure (designated by C), and underground damage caused and occurring during the use of mechanical equipment (designated by U).
In classical architecture, a room or building devoted to the reception and accommodation of strangers or guests.
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Abbr. for “extra large.”
On drawings, abbr. for cross section.
On drawings, abbr. for “double extra heavy.”
A colorless aromatic hydrocarbon liquid; used as a solvent for paints and varnishes.
1.In classical architecture, a roofed colonnade for exercise in bad weather. 2. In ancient Rome, a long, tree shaded prome- nade.3.A tree lined walk.
