The common name for sodium carbonate, Na2CO3 a chemical compound used sometimes used in soap and detergents to neutralize acid water.
Sodium lights
A type of high intensity discharge light that has the most lumens per watt of any light source.
Soffit
(1) External area under the roof overhang. (2) Horizontal portion of an eave. (3) Covering over the space under the eaves of a structure. (4) Piece reaching the cabinet tops to the ceiling.
Soffit vent
An intake ventilation device located in the soffit. An exhaust vent should be installed on or near the ridge of the roof to work in conjunction with the soffit vent in order to properly ventilate the attic space. The ratio of intake vent area to exhaust vent area should be 1.
Soft brush
Soft bumpers
Soft burned
Units of clay masonry, fired low temperatures, which keeps them soft and makes them unusable for anything except ornaments.
Soft face mallet
Plastic faced mallet used to strike surfaces without making marks on surfaces.
Soft market
Market in which demand has shrunken or supply has grown too quickly, making sales at profitable amounts for seller more difficult. It is better for purchasers.
Soft money
In a development or investment, it is money that is tax deductible. Alternately, it is used to describe costs that do not physically go into construction, such as interest, architectural fees, legal fees, etc.