Last Updated
：2025/11/25
invisible ink
Noun
countable
uncountable
Japanese Meaning
塗布後すぐにまたは少しの間で見えなくなり、後に熱などの処理によって再び可視化できるインク。 / 最初は見えるが、すぐに消えてしまい、いたずらなどに用いられるインク。
（ plural ）
Quizzes for review
An ink, invisible on application or soon thereafter, that can later be rendered visible by some process, such as exposing it to heat. / An ink used in pranks that is visible at first but soon disappears.
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invisible ink
She wrote the map with invisible ink so only those who knew how to reveal it could follow the treasure trail.
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She wrote the map with invisible ink so only those who knew how to reveal it could follow the treasure trail.
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