An alloy of nickel and titanium that has the ability to return to a predetermined shape when heated.
Any of several paramagnetic alloys of nickel and titanium that can be heated and shaped: when cooled and deformed, they resume their previous shapes upon being reheated.
Origin of nitinol
- After the Ni(ckel) Ti(tanium) N(aval) O(rdnance) L(aboratory) where its shape-memory properties were discovered
From American Heritage Dictionary of the English Language, 5th Edition