noun
watercolor pencils; water-soluble pencils
Art supply: colored pencils that can be blended with water to create watercolor-like effects.
水彩色鉛筆で描いた絵に水を含ませた筆を当てると、にじみが出る。
When you touch a wet brush to a drawing made with watercolor pencils, it creates a bleeding effect.
Compound of 水彩 (watercolor) + 色鉛筆 (colored pencil).