gizli mürekkep

listen to the pronunciation of gizli mürekkep
Турецкий язык - Английский Язык
(Askeri) invisible ink
An ink, invisible on application or soon thereafter, that can later be rendered visible by some process, such as exposing it to heat
Ink that is colorless and invisible until treated by a chemical, heat, or special light. Also called sympathetic ink. ink that cannot be seen on paper until it is heated, treated with chemicals etc, and is used for writing secret messages
ink which cannot be seen until treated with heat or chemicals
gizli mürekkep
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