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Definition of ink:

  1. A fluid, or a viscous material or preparation of various kinds ( commonly black or colored), used in writing or printing.
  2. A pigment. See India ink, under India.
  3. The step, or socket, in which the lower end of a millstone spindle runs.
  4. To put ink upon; to supply with ink; to blacken, color, or daub with ink.


indelible, marking, rotogravure, copying, lithographic, waterproof, soluble, disappearing, Chinese, permanent, tannin, drawing, India, aniline, erasable, soy-based, safety, sympathetic, logwood, invisible.

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