acid dye
A very large class of dyes containing acidic groups, such as the sodium salts of sulfonic acids or phenolic groups. Acid dyes are used in dyeing leather, paper and natural fibers. Their particular value lies in an ability to produce bright, uniform colors.
yamato-e
Japanese narrative paintings from the 10th century, when the Tale of Genji
Example: Marasaki Shikibu (Illustrated Scroll of Lady Marasaki's Diary), 13th century.
yard
A unit of distance measurement equal to three feet, or 36 inches. To convert yards into centimeters, multiply them by 91.44; into meters, x 0.9144. Abbreviated yd.
yd.
Abbreviation for yard.
yellowing
In painting, a tendency on the part of binding media to turn a tint towards yellow. This is most likely to occur when linseed oil is included.
