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sympathetic ink

American  
[sim-puh-thet-ik ingk] / ˌsɪm pəˈθɛt ɪk ˈɪŋk /

sympathetic ink British  

noun

  1. another term for invisible ink

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sympathetic ink

First recorded in 1715–25


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

You've heard what I confess: I don't unsay A single word: I cheated when I could, Rapped with my toe-joints, set sham hands at work, Wrote down names weak in sympathetic ink.

From Robert Browning by G. K. (Gilbert Keith) Chesterton

By way of variation the chosen word may be produced with the sympathetic ink, or it may be revealed by the method employed in "A New Postal Trick."

From Magic In which are given clear and concise explanations of all the well-known illusions as well as many new ones. by Ellis Stanton

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

From A Study of Hawthorne by George Parsons Lathrop

Cobalt, dissolved in aqua regia, makes an excellent sympathetic ink, appearing green when held to the fire, and disappearing when cold, unless it has been heated too much, when it burns the paper.

From Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry by Joseph Priestley

"Ah, sympathetic ink," exclaimed John; "well, we will see."

From Andreas Hofer by L. (Luise) Mühlbach

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