To prove that something is false or incorrect by providing evidence or argument to the contrary.
From Old French 'desprover', combining 'des-' (opposite) and 'prover' (to prove), from Latin 'probare'. The word maintains the logical structure of proof but reverses its direction.
In scientific method, disproving theories is often more valuable than proving them - Karl Popper argued that the ability to be disproven (falsifiability) is what separates science from pseudoscience. You can never fully prove a theory, but one solid counterexample can disprove it entirely.
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