invisible ink
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English[edit]
Etymology[edit]
Noun[edit]
invisible ink (countable and uncountable, plural invisible inks)
- An ink, invisible on application or soon thereafter, that can later be rendered visible by some process, such as exposing it to heat.
- Synonym: (dated) sympathetic ink
- An ink used in pranks that is visible at first but soon disappears.
Translations[edit]
invisible ink that can later be rendered visible
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ink used in pranks that soon disappears
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