inkstone

noun

A stone used in Chinese calligraphy and painting for grinding dry ink and mixing it with water.

noun

Native copperas or iron sulphate (also called iron vitriol and, in mineralogy, melanterite), or a stone containing this substance: used in making ink.

noun

A slab of slate, sometimes of marble or other stone, used for rubbing down the Chinese and Japanese solid ink known in Europe as India ink, usually made with a gradual slope terminating in a well at one end. Occasionally it is carved around the edge, or has a border of sculpture. See writing-box.

noun

A kind of stone containing native vitriol or sulphate of iron, used in making ink.

noun

A stone used by Chinese artists and calligraphers to grind dry ink and then to mix it with water.