monopolīzāˈtion or monopolīsāˈtion noun

monopˈolize or monopˈolise transitive verb

1. To have a monopoly of
2. To keep to oneself, excluding all others
3. To engross

monopˈolizer, monopˈoliseror monopˈolist noun

Monopolies and Mergers Commission noun

A former body set up to investigate monopolies, etc

monopolistic competition noun (economics)

Imperfect competition (qv)

Monopoly money noun (informal)

Large sums of money treated lightly as though of no real consequence or value, like the sham notes exchanged in Monopoly