variability.

The tendency or extent to which values, conditions or features differ across cases or change over time.

Use it for

Words that belong together

• individual variability
• variability in measurements

On the page

Individual variability remained substantial even when the group averages were close.

Variability in measurements reflected both real changes and limits of the instrument.

Usage notes

Primary category: academic / formal. Forms: Usually uncountable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: definition, comparison, qualification, causal analysis. Disciplines: academic writing, institutional analysis, general research. Commonness: moderately common.