nitinol
/ˈnaɪtɪnɔl/
noun
- A metal alloy of nickel and titanium that can remember its original shape and return to it when heated.
- Doctors use nitinol stents that expand inside blood vessels to keep them open.
- The eyeglass frames made of nitinol can bend and then snap back to their original shape.
- Engineers are studying nitinol for use in robots that can change shape.