Malleability

noun

1. The property of being malleable; capability of being shaped or permanently extended by pressure, as by hammering or rolling, without losing coherence or continuity; the property of being susceptible of extension by beating or rolling.
2. The quality or state of being malleable; -- opposed to friability and brittleness.
3. The quality or state of being malleable.
4. The property by virtue of which a material can be extended in all directions without rupture by the application of load; a material's ability to be bent, formed, or shaped without cracking or breaking.
5. a property of a cryptographic algorithms in which an adversary can alter a ciphertext such that it decrypts to a related plaintext