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nitinol

American  
[nit-n-awl, -ol] / ˈnɪt nˌɔl, -ˌɒl /

noun

  1. a paramagnetic alloy of nickel and titanium that, after heating and deformation, resumes its original shape when reheated.


Etymology

Origin of nitinol

1965–70; ni(ckel) + ti(tanium) + N(aval) O(rdnance) L(aboratory) , Silver Spring, Maryland, where the alloy was developed

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One promising material is nitinol, an alloy of nickel and titanium.

From BBC • May 12, 2025

Known as 'artificial muscles', the shape-memory wires made of super-elastic nitinol absorb heat in the cooling chamber and release it to the outer environment.

From Science Daily • Apr. 2, 2024

The family affinity is also expressed in the use of the same nitinol headband and the same cable connectors across all four models.

From The Verge • Jul. 30, 2018

“Skorpions,” for example, involves a padded garment threaded with nitinol wires; when a performer wears the garment, electrical currents pulse through the wires to make them contract, making the dress writhe like a sentient creature.

From The New Yorker • Jul. 27, 2015

The NanoMuscle, which costs less than $1 to make, qualifies as nanotech, the company says, because of the size of its nitinol crystals, not the wire or motion.

From Time Magazine Archive

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