Wood Terms that Start with "V"
|Lumber Glossary Term||Definition|
|VanDer Waal Forces||
Physical forces of attraction between molecules, which include permanent dipole, induced dipole, hydrogen bond, and Long dispersion forces.
|Vapor Retarder||A material with a high resistance to vapor movement, such as foil, plastic film, or specially coated paper, that is used in combination with insulation to control condensation.|
Operation costs that result from running a machine, calculated on an hourly basis; includes cost of labor and items such as fuel, oil, wire rope, and replacement parts. Also known as operating costs.
A tooth form that has variable tooth spacing, standard tooth forms, varying gullet depth, and a zero-degree rake angle.
|Varnish||A liquid preparation that dries to a hard lustrous coating.|
|V Joint||Tongue and groove boards with their top corners beveled so when the two boards come together a “V” is formed.|
|Veneer||A thin sheet of wood cut from a log; wood peeled, sawn or sliced into sheets of a given constant thickness and combined with glue to produce plywood or laminated-veneer lumber. Veneers laid up with the grain direction of adjoining sheets at the right angles produce plywood of great stiffness and strength; while those that lay up with grains running parallel produce flexible plywood most often used in furniture and cabinetry.|
|Veneer-Core Plywood||Plywood made from three or more pieces of veneer glued up in alternating-grain patterns.|
|Vessel||An axial series of cells that have coalesced to form an articulated tube-like structure of indeterminate length. A union of wood cells which have open ends and are set one above the other, forming continuous tubes. The openings of the vessels on the surface of a piece of wood are usually referred to as pores.|
|Vessel Elements||Wood cells in hardwoods of comparatively large diameter that have open ends and are set one above the other to form continuous tubes called vessels.|
|Virgin Timber||Timber from an original forest that has not been previously disturbed or influenced by human activity.|
|Viscoelasticity||The ability of a material to simultaneously exhibit viscous and elastic responses to deformation.|
|Viscosity||A measurement of the thickness of a liquid.|
|Void||The volume in the wood structure that is not occupied by wood tissue.|