invisible ink
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
|
ink used in pranks that soon disappears
|