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variable (adjective)
Something that is variable changes quite often.
  • The weather here is variable. It can change from hot to cold on the same day.
variables (noun)
Variables are factors which researchers measure in a study.
  • Researchers did an experiment to find what causes heart problems. They found that smoking is an important variable: People who smoke a lot had more heart problems than people who don't smoke.
noun verb adjective adverb
  • variable
  • variables
  • variant
  • variants
  • variation
  • variations
  • variability
  • vary
  • varies
  • varied
  • varying
  • variate
  • variates
  • variated
  • variable
  • varying
  • varied
  • variably
  • invariably

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