1. plural of lampblack; a fine black powder made from soot, used as a pigment in paints, inks, and other products
Usage: Usually used in plural or as a mass noun; Technical/industrial term

Examples

• The artist mixed lampblacks into the oil paint to achieve a deep, rich black.
• Lampblacks are commonly used in the manufacture of printing inks.
• The factory produced several tons of lampblacks annually for industrial applications.
• Lampblacks can be derived from the incomplete combustion of organic materials.
• The pigment lampblacks provides excellent coverage in watercolor paintings.