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Glossary beginning with H

Select the first letter of the term you're looking for from above to begin.
Hair Line search for term

A fine line in the paint film or coating that is usually caused by a sudden shift in temperature or by weathering.

Hand-Dyed Paper search for term

Made from recycled paper, which is then torn or cut into custom sizes, manipulated, dyed, and applied by hand in pieces to the wall, ceiling, or floor.

Handmade Paper search for term

Paper which is made by hand using a mould-a frame covered with a screen, dipped into a vat of wet pulp, and shaken to distribute the fibers evenly. It is then drained of water and dried against blankets, and is hot-pressed, cold-pressed, or air-dried.

Handslick search for term

The time it takes for a wet paint film to become ready for another coat of paint.

HAP search for term

Hazardous Air Pollutants; pollutants that cause or may cause cancer or other serious health problems, such as reproductive or birth defects, or adverse environmental and ecological effects.

Hard Edge search for term

Sharp shapes or lines that do not blend neatly into adjacent shapes.

Hardener search for term

Cutting agent for epoxies or fiberglass.

Hardness search for term

Resistance of a paint film to surface damage measured in pencil hardness.

Hatching search for term

A technique of modeling, indicating tone, and suggesting light and shade in drawing or tempera painting using closely set parallel lines.

Hazardous search for term

Describes materials or actions which can be dangerous to your health.

Hazardous Air Pollutant search for term

Pollutants that cause or may cause cancer or other serious health problems, such as reproductive or birth defects, or adverse environmental and ecological effects.

Heat-Resistant Finish search for term

A finish designed to show little or no deterioration with exposure to an elevated temperature.

Heavy Body Acrylics search for term

Paints that hold a brush or knife stroke well. Typically found in Artist and Student Grade paints, and are especially suited for impasto or any other type of heavy brushtroke technique. 

Heel search for term

The bottom of a brush's bristles where they enter the ferrule.

Height search for term

The measurement of the distance from the lowest point to the tallest.

Heighten search for term

In drawing and painting, to raise the value of areas with white or a pale color in order to complete the form. The opposite of shading.

HEPA Vacuum search for term

High-efficiency particulate air-filtered vacuum. Designed to remove lead-contaminated dust.

Heraldry search for term

Armorial shields, bearings, ensigns, or smaller insignia such as a coat of arms that depict ancestry and other distinctions.

Hewing search for term

To make a shape as with an ax, chisel, or other carving point.

High Bake search for term

Baking paint above 180 degrees Farenheit.

High Build search for term

A term referring to a paint film which can produce a thick film in a single coat.

High Concentrated search for term

When the amount of pigment in the has a higher volume than the resin.

High Solid search for term

Paints and undercoats which have more pigment and resin than is usual.

High Strength search for term

The amount of pigment in thevolume solid portion is higher than the resin.

High Volume Low Pressure search for term

Spray equipment which delivers material at a low pressure, but with a greater volume of air.

Highlight search for term

The area on a surface which reflects the most light; or to direct attention and emphasis through color or light.

Highlighter search for term

A type of pen or marker that is used to draw attention to sections of text by marking them with a vivid and translucent color, most commonly a fluorescent yellow.

Hit search for term

A small increment or gradual increase. A term used in color adjustment.

Hog Bristle search for term

A stiff and coarse-haired brush with a relatively uniform body and a flagged, or split, end. The greater the flagging, the greater the control. Some of the most desireable hog bristle brushes come from the Chungking province of China because of the large number of wild hogs that tend to have more split ends than other hogs.

Hold-Out search for term

The abiliity of an undercoat to stop or drastically reduce the topcoat from soaking into it.

Holiday search for term

Voids in the dried paint film, a missed spot. "Someone took a holiday."

Hollow Building search for term

A technique for sculpture in which the form is bulit up from slabs of damp clay in such a way that it is hollow throughout.

Hollow Carving search for term

A carving made hollow.

Hollow Casting search for term

Casting in a mold; lining the walls of the mold with layers of sculpture material by swirling the melted material around inside, rather than directly filling up the mold.

Hollow-Wall Fastener search for term

A fastening system designed for use in walls made of plaster or drywall which consists of an anchor bolt with a sleeve that expands as it is tightened against the inside of a wall.

Hook and Loop search for term

Generic name for "Velcro." A sort of fabric adhesive that consists of two pieces of fabric, one with a dense layer of hooks, the other with a dense layer of loops.

Horizon Line search for term

The point at which water or land meet the sky.

Horizontal search for term

A straight and flat line that runs parallel to the Earth. Its opposite is vertical, and anything in between is diagonal.

Horse Hair search for term

The long, coarse hair growing on the manes and tails of horses that are used for various purposes, including upholstery, brushes, the bows of musical instruments, a hard-wearing fabric called haircloth, and horse hair plaster, a wallcovering material formerly used in the construction industry and now found only in older buildings.

Horsehair search for term

The long, coarse hair growing on the manes and tails of horses that are used for various purposes, including upholstery, brushes, the bows of musical instruments, a hard-wearing fabric called haircloth, and horse hair plaster, a wallcovering material formerly used in the construction industry and now found only in older buildings.

Hosho search for term

A traditional, high quality kozo paper that is both strong and absorbent. Does not tear or shrink easily and is ideal for woodblock or lino printing.

Hot Glue Gun search for term

A hand-held, pistol-like device that heats a round stick of solid adhesive glue to a melting point. Once the user pulls the trigger, the melted glue is forced out of the nozzle .

Hot Press search for term

A paper surface that is smooth; produced by pressing a finished sheet through hot sheets.

Hot Spots search for term

Spots which have not completely cured or where the lower layers have bled through the coating.

Hot Spray search for term

Reducing the coating to spray consistency with heat rather than solvent.

Hot Wire Cutter search for term

A tool used for the clean cutting of Styrofoam. A taut wire is held in place and heated over the Styrofoam, which enables it to pass cleanly through.

Hot-Press search for term

A paper surface that is smooth; produced by pressing a finished sheet through hot sheets.

Hue search for term

The perceived color of an object identified by a common name such as red, orange, or blue.

Humidity search for term

The amount of water vapor in the air.

HVLP search for term

High Volume, Low Pressure: spray equipment which delivers material at a low pressure, but with a greater volume of air.