Tachisme
(French, "tacher", "to stain or blot".) An offshoot in the 1950's of abstract expressionism
closely associated with activism; an unplanned pattern of splotches and dabs of
paint, the emotional impact of which results from the outburst of the Artists'
spirit while working; exponents of this approach were Jean Atlan, Camille Bryan, Alfred
Wols, Georges Mathieu and others.
Thinner
A liquid used to reduce the thickness of a pigment, as water for watercolors,
gouache, acrylics and casein, and turpentine for oils.
Tracing cloth
A thin, sturdy starched transparent cotton cloth that is used for ink tracing;
available in rolls.
Trefoil
(Latin, "three-leaved") A motif with three leaves, often found in
Gothic ornamental work.