الإنجليزية - الإنجليزية
تعريف ruperts drop في الإنجليزية الإنجليزية القاموس.
- Called also Rupert's ball, and glass tear
- by whom they were first brought to England
- Rocky
- It is remarkable for bursting into fragments when the surface is scratched or the tail broken; so called from Prince Rupert, nephew of Charles I
- A kind of glass drop with a long tail, made by dropping melted glass into water