Malleableness
The Century Dictionary and Cyclopedia
noun.
Malleability.
the GNU version of the Collaborative International Dictionary of English
noun.
Quality of being malleable.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The quality of being
malleable
.
Word Usage
"The common idea men have of iron is, a body of a certain colour, weight, and hardness; and a property that they look on as belonging to it, is malleableness."