Woodipedia Index
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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.
Variable Costs

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.

Variable Positive

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.
Woodipedia Index
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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