sympathetic ink

From Wiktionary, the free dictionary

Jump to navigation Jump to search

English

Noun

sympathetic ink (countable and uncountable, plural sympathetic inks)

(dated) Invisible ink.

Translations

invisible ink — see invisible ink

References

“ink”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

Retrieved from "https://en.wiktionary.org/w/index.php?title=sympathetic_ink&oldid=71282531"

Hidden categories: