say it: an-ek-SAY-shuhn
annexation is a noun meaning "incorporation by joining or uniting". It carries 2 recorded senses.
incorporation by joining or uniting
the formal act of acquiring something (especially territory) by conquest or occupation
“the French annexation of Madagascar as a colony in 1896”
“a protectorate has frequently been a first step to annexation”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for annexation come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.