invisible ink

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Related to Disappearing ink: invisible ink

invisible ink

n.
Ink that is colorless and invisible until treated by a chemical, heat, or special light. Also called sympathetic ink.

invisible ink

n
(Chemistry) a liquid used for writing that does not become visible until it has been treated with chemicals, heat, ultraviolet light, etc

invis′ible ink′


n.
a writing fluid that is invisible until treated, as by heat or chemicals.
[1675–85]
Translations
References in periodicals archive ?
The drivers would write the number plates of cars and the owner's name on the ticket with disappearing ink
The Veronica hitmaker claims the only reason he wrote the book Unfaithful Music & Disappearing Ink about a life in showbusiness "is to point out the absurdity of it all, because very little is consequential".
The rare images will form part of the enhanced ebook version of Unfaithful Music and Disappearing Ink, due to be released on Thursday, October 15.
But Clint Bolick of Arizona's Goldwater Institute says that here ''nonjusticiable'' means that the clause ''is written in disappearing ink.
I had a big chemistry set and made stink bombs, and disappearing ink that never really disappeared.
During the campaign, he stressed, no administrative resource had been used: We have managed to do everything within our power to avoid carousel voting, disappearing ink, hundreds thousands of fake voter bulletins and rewriting the minutes of the voting results.
April 1 was for jokes, like super-sour candy or disappearing ink.
Previous work in the quest for a disappearing ink has tended to yield a low-contrast print, often at a high cost, and sometimes using hazardous chemicals.
But don't let them trick you by using disappearing ink.
Curable white ink is used for permanent identification, and disappearing ink is used for marks that disappear when the rubber is cured.