IELTS Anvil

variable

CEFR: B2

Able or likely to change, fluctuate, or be deliberately adapted; or an element that is liable to vary in mathematical models.

Synonyms

adaptable
fluctuating

Common Collocations

independent variable
dependent variable
controlling variables

Example Sentence

Variable-pitch propellers adapt blade geometry to optimize aerodynamic efficiency across differing flight altitudes.

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