Noun: variability ,veh-ree-u'bi-lu-tee
- The quality or degree of being subject to variation
"The variability of stock prices keeps investors on their toes";
- variableness, variance
- The quality of being uneven and lacking uniformity
"The variability in test scores was a concern for the teachers";
- unevenness
Derived forms: variabilities
Type of: changeability, changeableness, irregularity
Antonym: invariability
Encyclopedia: Variability