Rupert's drop
English
Etymology
Named after Prince Rupert of the Rhine, nephew of Charles I, who brought them to England in 1660.
Noun
Rupert's drop (plural Rupert's drops)
- 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.
Synonyms
- Prince Rupert's drop
- Prince Rupert's tear, Rupert's tear
- glass tear
- Dutch tear
Further reading
- Rupert's drop in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913