invisible ink

Noun

Meaning

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.

Examples

Poetry is written with tears, fiction with blood, and history with invisible ink. Carlos Ruiz Zafón

The pages are still blank, but there is a miraculous feeling of the words being there, written in invisible ink and clamoring to become visible. Vladimir Nabokov

i sometimes felt as if these marks on my body were a kind of code, which blossomed, then faded, like invisible ink held to a candle. But if they were a code, who held the key to it? I was sand, I was snow-written on, rewritten, smoothed over. Margaret Atwood

When life gives you lemons you squeeze them, hard. Make invisible ink. Make an acid poison. Fling it in their eyes. Austin Grossman

A similar strategy is to issue prisoners with writing paper ruled with a water-soluble ink that runs in contact with water-based invisible ink. Source: Internet

It also includes an ultraviolet light and changeable invisible ink nib for viewing messages written in the ultraviolet ink. Source: Internet

Close letter words and terms