Definitions for "Propensity"
The quality or state of being propense; natural inclination; disposition to do good or evil; bias; bent; tendency.
In the Chou and Fasman secondary structure prediction, the measure of a residue's tendency to assume a given structure.
The extent to which an economic agent is inclined to use income for a particular purpose, such as the (marginal or average) propensity to import, or propensity to consume, measured as the fraction of income (or of a change in income, if marginal) devoted to such an activity.
Keywords:  physical, system, property
a property of a Physical system