<unk>  generally means ability to permanently change or deform.  (It differs from "elasticity", which refers to ability to change temporarily and revert back to original form.)
More specific meanings include:
in the sciences:
Phenotypic<unk> : Describes the degree to which an organism's phenotype is determined by its genotype.
Neuroplasticity: Entire brain structures can change to better cope with the environment.  Specifically, when an area of the brain is damaged and non-functional, another area may take over some of the function.  This is known as neuroplasticity.
Synaptic<unk> : In neuroscience,<unk>  is a property of a neuron or synapse to change its internal parameters in response to its history.
Synaptic<unk> : In neuroscience,<unk>  is a property of a neuron or synapse to change its internal parameters in response to its history.<unk>  (tissues): In body tissues,<unk>  refers to the ability of differentiated cells to undergo transdifferentiation.
ur:لدونت
de:Umformbarkeit
Plasticity
Twitching
Pungency
Hypesthesia
Neophobia
Irritation
Derealization
Abnormal posturing