sympathetic ink

[ sim-puh-thet-ik ingk ]

noun

1. invisible ink ( def ).

sympathetic ink

noun

1. another term for invisible ink

Word History and Origins

Origin of sympathetic ink¹

First recorded in 1715–25

Example Sentences

The fire of inspiration brings out, as it were, designs traced beforehand in sympathetic ink.

From Project Gutenberg

A solution of muriate of copper forms a yellow and sympathetic ink, and acetate of cobalt a rose or purple.

From Project Gutenberg

The first page looked as if it had been written over with some sort of sympathetic ink; but not a word could be deciphered.

From Project Gutenberg

In all minds it lay written, but invisibly, as in sympathetic ink; at his word it starts into visibility in all.

From Project Gutenberg

This appears to have been the last detected attempt to use a sympathetic ink upon the race-course.

From Project Gutenberg