Meaning of annexationism

an•nex•a•tion•ism

Pronunciation: (an"ik-sā'shu-niz"um, an"ek-), [key]
— n.
  1. the theory or practice of taking over another country's territory, esp. by force.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.