For the purposes of this Chapter, "dominant position" means a position of economic strength enjoyed by an undertaking which enables it to prevent effective competition being maintained in the relevant market by giving it the power to behave to an appreciable extent independently of its competitors, customers and ultimately of consumers.
Chun críocha na Caibidle seo, ciallaíonn 'ceannasacht' staid eacnamaíoch láidir atá ag an ngnóthas a chumasaíonn dó iomaíocht éifeachtach a chosc sa mhargadh ábhartha tríd an chumhacht a thabhairt dó feidhmiú neamhspleách go mór ar a chuid iomaitheoirí, ar a chuid custaiméirí agus sa deireadh ar an chuid tomhaltóirí.