de·bunk 
/diˈbʌŋk/ verb
de·bunks; de·bunked; de·bunk·ing /diˈbʌŋk/ verb [+ obj] : to show that something (such as a belief or theory) is not true : to show the falseness of (a story, idea, statement, etc.)
▪ The article debunks the notion that life exists on Mars. ▪ The results of the study debunk his theory.
▪ The article debunks the notion that life exists on Mars. ▪ The results of the study debunk his theory.
— de·bunk·er noun, plural de·bunk·ers [count]
▪ debunkers of the myth
▪ debunkers of the myth
