HALFTONE SCREENA screen placed in front of the negative material in
a process camera to break up a continuous-tone image into a dot formation.
HARD COPYCopy of any kind produced on paper or any substrate except
film, used for proofing, checking, revising, or redrawing.
HARMONYA pleasing arrangement of the picture elements, because of
the similarity of one or more qualities.
HEXAGONA six-sided figure.
HIDDEN LINEThick, short dashed lines used to show a hidden part or
HIGH SURFACESee HOT PRESSED.
HINGE JOINTA joint limited to back-and-forth movement.
HOLDING LINEA line usually drawn in black on a mechanical intended
HOOK AND LOOP BOARDA briefing board covered with nylon hook
material to which items backed with a nylon loop material will stick.
HORIZON LINEAn imaginary horizontal line representing the observers
line of sight.
HOT PRESSEDAlso called HIGH SURFACE. A smooth art paper or
HUEThe name given to distinguish any color.
HYPOSee SODIUM THIOSULFATE.
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