(Askeri) GİZLİ MÜREKKEP: Yazı veya basım işlerinde kullanılan ve ilk bakışta veya yazılışta kısa bir zaman sonra gözle görülmez hale gelen çeşitli kimyasal maddelerden herhangi biri
الإنجليزية - الإنجليزية
تعريف invisible ink في الإنجليزية الإنجليزية القاموس.
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