variable

variable adjective uk/ˈveəriəbl/ us
changing often

изменчивый, непостоянный
The sound quality on the recording is variable . variability noun [ U ] uk/ˌveəriəˈbɪləti/ us

изменчивость

VARIABLE noun

[ C ] uk/ˈveəriəbl/ us
a number, amount, or situation that can change

переменная величина
A patient's recovery time depends on so many variable s, such as age, weight, and general health.