Last Updated
：2025/11/27
Rupert's drop
Noun
Japanese Meaning
ルパート滴（ルパート・ドロップ）は、溶融ガラスを冷水に垂滴して作られるガラス製の小さなビーズ状の物体で、先細りの尾部を持ちながら、頭部は非常に強靭な構造になっている。ただし尾に損傷が加わると、全体が爆発的に粉砕する特性がある。
（ plural ）
Quizzes for review
A glass bead created by dripping molten glass into cold water so it solidifies into a tadpole with a very tough head but a long fragile tail which, if damaged, causes the bead to disintegrate explosively.
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Rupert's drop
During the classroom demonstration, the teacher gently tapped a Rupert's drop to show how damaging its fragile tail can make the entire bead disintegrate explosively.
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During the classroom demonstration, the teacher gently tapped a Rupert's drop to show how damaging its fragile tail can make the entire bead disintegrate explosively.
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English - English
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