printing ink
From Longman Dictionary of Contemporary EnglishRelated topics: Newspapers, printing, publishingprinting inkˈprinting ink noun [uncountable] TCNa type of ink that dries very quickly and is used in printing books and newspapers etcExamples from the Corpusprinting ink• Restrictions on the use of paper and printing ink resulted in canned goods carrying only half-labels.• The blank spaces become wet and therefore reject the printing ink.