monopolize

What it means

1. transitiveTo have a monopoly on something.
2. transitiveTo dominate or to get total control of something by excluding everyone else.

   Teachers try not to let any one student monopolize a class discussion.

   1 more example

   "Now, Mr. Malone, I have given you rather more of my time than I had intended. The individual must not monopolize what is meant for the world."

   1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC

In a sentence

Teachers try not to let any one student monopolize a class discussion.

Where it comes from

From monopoly + -ize.