air-fuel ratio
The ratio of the volume (or weight) of air being furnished for combustion to the volume (or weight) of the […]
Glossary
Glossary
air-exhaust ventilator
1. An air-exhaust unit used to carry away odors and fumes from a stove, griddle, etc.; may contain a grease-extracting
Glossary
air-entraining hydraulic cement
Hydraulic cement which contains an air-entraining agent in an amount such as to cause air to be entrained in the
Glossary
air-entraining agent
An addition for hydraulic cement or an admixture for concrete or mortar which causes air to be incorporated in the
Glossary
air-entraining admixture
An admixture that causes the development of air bubbles in concrete or mortar during its mixture.
Glossary
air-entrained concrete
Concrete made with air-entraining cement or an air-entraining agent. Same as cellular concrete.
Glossary
air-dry moisture content
The moisture content of a piece of wood after it has been exposed to its environment long enough to attain
Glossary
air-dried lumber, natural-seasoned lumber
Wood dried by exposure to air under natural conditions; usually has a moisture content not greater than 24%.
Glossary
air-distributing acoustical ceiling
A suspended acoustical ceiling in which the board, perforated metal, or tile is provided with small, evenly distributed mechanical perforations