SAH Archipedia uses terms from the Getty Art and Architecture Thesaurus (AAT) to categorize and classify metadata for the entries in the database. For more information on the Getty AAT, click here

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white marble

Marble with a mineral composition resulting in a predominantly white color.

white metal

Alloy predominantly of tin, usually of 92% tin and 8% antimony, having a white or silvery appearance.

white oak (general, plants)

General term for types of oaks native to Europe, Asia, north Africa, and North America, characterized by having a short acorn that matures in six months, is sweet or slightly bitter, ahd the inside of the acorn shell hairless.

white oak (wood)

In the lumber trade, a general term for wood of many species of oak belonging to a subgroup of oak trees, including Q. alba and others, all characterized by having acorns that mature in six months, are sweet or slightly bitter, and have a hairless inside shell. Trees are native to Europe, Asia, north Africa, and North America.

white pine (wood)

Pale, soft wood from any of many species of North American pines, generally native to eastern and central parts of the continent.

whitewash (water-base paint)

Paint having the principal ingredients water and lime paste; one of the oldest types of paint, used for both exterior and interior surfaces.


Woven reed, rattan, twigs, or other material, especially used to construct furniture.

willow (wood)

Wood of trees of the genus Salix. The wood is tough and bends easily without splitting. In ancient Egypt, willow was used for handles, poles, bowls, boats, and domestic items. Willow has been used for Italian panel paintings and Gothic sculptures in southern Germany. Since willow wood has a low mineral content, it was favored for the production of charcoal. Other uses have included basketry, wickerwork, small turned pieces, hoops, crates, excelsior, cricket bats, artificial limbs, and agricultural implements.


Filament or slender rod of drawn metal.

wire-cut brick

Brick cut to size by a wire before firing.

No description is available for this term.

wood (plant material)

The principal tissue of trees and other plants that provides both strength and a means of conducting nutrients. Wood is one of the most versatile materials known.

wood board

Timber sawn into thin pieces, and having considerable extent of surface on two sides, with the other two sides being narrow. Usually reserved for rectangular pieces having much greater length than breadth.

wood preservative

Any of various chemical treatments added to cut wood products in order to minimize insect and fungal infestations. Wood preservatives are typically applied by spraying, brushing, immersion or pressure treatments. Some of these biocide materials may be toxic to humans. Examples are tar oils (creosote, anthracene oil, chlorinated naphthalenes), copper naphthenate, zinc naphthenate, borates, sodium fluoride, and copper chromated arsenate.


The art of fashioning or ornamenting objects of wood by cutting with a sharp implement.

woodwork (general works)

General term for visual works, parts of works, interior fittings of architecture, or other works made of wood. Examples include moldings and staircases, cabinets and furniture, and wooden sculptures or toys.

woody plants

Term used to describe trees, shubs, and vines; plants that have lignified secondary xylem in their stems. Term used to describe trees, shubs, and vines; plants that have lignified secondary xylem in their stems.

worked lumber

Lumber that in addition to being dressed has been matched, shiplapped, or patterned.

wrought iron (iron alloy)

Iron alloy of fibrous nature made by melting white cast iron, passing an oxidizing flame over it, and rolling it into a mass; valued for its corrosion resistance and ductility. When describing objects produced or shaped by beating with a hammer, use "wrought."

yard lumber

Lumber up to 5 inches thick intended for general building construction.

yellow cypress (wood)

Wood of the Chamaecyparis nootkatensis tree, ranging from Alaska to Oregon. Timber is pale yellow in color and is prized for joinery, doors, window frames, greenhouses, shingles, and cabinet work.

yellow marble

Marble that is predominantly yellow in color.

yellow pine (wood, general)

General term for wood from any of several pines. In America, it refers to wood of several closely related species of North American pine with yellow tinted wood. In Great Britain, the term is used in the timber trade to refer to the wood of several additional pines as well.

yew (wood)

Wood of trees of the genus Taxus.

zebra wood (wood)

General term for wood from any of several species of tree or shrub having ornamentally striped wood used by cabinet-makers.


Pure metallic element having symbol Zn and atomic number 30; a bluish white crystalline metal. Use also for this metal as processed and formed, usually in combination with other substances, to make various objects and materials.

zinc alloy

Alloy in which zinc is the principle element.

zinc chrome green

A mixture of zinc yellow and a variety of Prussian blue. This composite pigment is permanent to light but not to alkali or water.