démontrer

to demonstrate

verb day-mohn-TRAY Rare

Origin: Latin demonstrare, from de- + monstrare (to show)

Also means

to prove

Usage Note

Démontrer follows the regular -er conjugation pattern. It is more formal than montrer (to show) and implies logical or empirical proof. The noun form is démonstration, and a person who demonstrates is a démonstrateur/démonstratrice.

Examples

"Il a démontré sa théorie avec des preuves."

Natural Translation

He demonstrated his theory with evidence.

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