disproof

/dɪsˈpruːf/
noun
  1. Evidence or argument that shows something is false or incorrect.
    • Her alibi was a strong disproof of the accusations against her.
    • The new data served as disproof of the popular myth.
    • The scientist provided clear disproof of the old theory.
  2. The act of proving something to be false.
    • His disproof of the rumor calmed everyone's fears.
    • The disproof of the hypothesis took years of careful experiments.
    • The lawyer's disproof of the witness's story changed the trial.
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