Meanings of sympathetic ink in English

That is what is technically called invisible rather than sympathetic ink.

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

Try every piece of blank paper for sympathetic ink.

But this was only a blind; the real letters were written in cipher, with sympathetic ink.

You wrote on those certificates in sympathetic ink that fades, I in ink that comes up soon.

The old histories emerge into light, like the writing in sympathetic ink on the secret despatches of King James.

Under the influence of that, the faded past, traced in sympathetic ink, as it were, revives and starts into distinctness.

Written in sympathetic ink.

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

For Marius now once more distinctly beheld that recollection which had reappeared in his emotions like sympathetic ink at the application of heat.

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

Sympathetic inks which appear by heat, and disappear in the cold.

Drawings with colourless sympathetic Inks; which appear when warmed by the Fire, 457.

The colored ones, including gold, silver and sympathetic inks are mostly repetitions of those of Neri and Caneparius.

Sympathetic ink also accounts for the curious circumstance that the Lytton letter was folded up with the writing apparently outside.

There are sympathetic inks.