Definition of writing ink
: ink that is to be used with a pen and that may be permanent (as a blue-black ink) consisting essentially of a dispersion of gallic acid or tannin, ferrous sulfate, and often a blue dye in water or nonpermanent containing soluble dyes and including washable inks — compare india ink sense 2
Comments on writing ink
What made you want to look up writing ink? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Slippery Words Quiz—Changing with the Times
- What is an earlier meaning of nice?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share writing ink