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Earnest Money

A sum paid to the seller to show that a potential purchaser is serious about buying.

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Dynamic Load

Any load that is nonstatic.

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E Value

The ratio of stress to strain.

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Easement

- A formal contract which allows a party to use another party's property for a specific purpose. e.g. A sewer easement might allow one party to run a sewer line through a neighborâ€™s property. A limited right, whether temporary or permanent, to use the property of another in a certain way. This may include the right of access to water, light and air, right-of-way, etc.

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Dwelling Unit

An independent living area which includes its own private cooking and bathing facilities.

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Dura board, dura rock

A panel made out of concrete and fiberglass usually used as a ceramic tile backing material. Commonly used on bathtub decks. Sometimes called Wonder board

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Eaves

- The horizontal exterior roof overhang.

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DWV (drain-waste-vent)-

The section of a plumbing system that carries water and sewer gases out of a home.

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Earthquake Strap

A metal strap used to secure gas hot water heaters to the framing or foundation of a house. Intended to reduce the chances of having the water heater fall over in an earthquake and causing a gas leak.

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Due-on-sale

A clause in a mortgage contract requiring the borrower to pay the entire outstanding balance upon sale or transfer of the property.

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Elastomeric

Having the properties of an elastomer.

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Elastic Deformation

The ability of a material to return to its original position after a load has been removed.

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EER (Energy Efficiency Ratio)

The Btu output divided by the input in watts. The higher the EER the more efficient the equipment.

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Egress

- A means of exiting the home. An egress window is required in every bedroom and basement. Normally a 4' X 4' window is the minimum size required

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Elastomer

A macromolecular material that returns to its approximate initial dimensions and shape after being subjected to substantial deformation.

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Elasticity

The property of a material that causes it to return to its original shape upon removal of a deforming load.

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Effluent

Partially treated liquid sewage flowing from any part of a disposal system to a place of final disposition.

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Elastic Limit

The greatest stress a material can withstand without permanent deformation upon the release of the stress.

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Effective Temperature

The sensation produced by the combined effects of temperature, relative humidity, and air movement.

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Efflourescence

A white soluble salt deposit on the surface of concrete and masonry, usually caused by free alkalies leached from the mortar by moisture moving through it.