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territorial expansion

/ˌtɛrɪˈtɔːriəl ɪkˈspænʃən/ · ter·ri·to·ri·al ex·pan·sion
noun
  1. The act or process of increasing a country's or state's land area, typically through annexation, conquest, or settlement. The empire's territorial expansion in the 1800s reshaped the map of Europe.
  2. A policy or strategy aimed at acquiring new markets or domains beyond the original scope, often used metaphorically in business or technology. The company's territorial expansion into Asia doubled its revenue within two years.
Did you know? The phrase "territorial expansion" appears in the 1845 report of the U.S. Senate, marking one of its earliest documented uses in American political language.
Written by Lexi Wordsworth, Dictionary Editor 1 lookups Added Jul 29, 2026