expansion B2 Topic:Numbers & Quantity US /ɪkˈspænʃən/ See IPA manual Freq #10252 Meanings 1 noun The act or process of becoming larger in size, amount, or extent. The expansion of metals in response to heat is well understood. 2 noun The act of adding more information or detail to something. His essay was an expansion of the ideas he raised in class. Thesaurus Synonyms 1 noun · the act or process of... enlargement 2 noun · the act of adding more... elaboration ↔ Opposites contractionshrinkage Word family Forms expansions Derived forms alloexpansionantiexpansioncoexpansioncompansionego-expansionexpansinexpansionalexpansionaryexpansionismexpansionistexpansionlesshyperexpansion Related forms expandexpanseexpansive Common collocations expansion slot Noun + noun unprecedented expansion Adjective + noun Etymology AI details Borrowed from French expansion, from Latin expānsiō. By surface analysis, expand + -sion. expānsiō Latin View etymology graph -> Topics Numbers & Quantity External links Cambridge Dictionary Wiktionary Google Images # expansion **Type:** Word **Level:** B2 **Part of speech:** noun **IPA (US):** /ɪkˈspænʃən/ **Frequency rank:** 10252 ## Meanings 1. The act or process of becoming larger in size, amount, or extent. 2. The act of adding more information or detail to something. ## Examples - The expansion of metals in response to heat is well understood. - His essay was an expansion of the ideas he raised in class. ## Antonyms - contraction - shrinkage ## Derived Forms - alloexpansion - antiexpansion - coexpansion - compansion - ego-expansion - expansin - expansional - expansionary - expansionism - expansionist - expansionless - hyperexpansion ## Related Forms - expand - expanse - expansive ## Roots and Affixes - Root: expānsiō - Affix: -sion - act ## Etymology Borrowed from French expansion, from Latin expānsiō. By surface analysis, expand + -sion. ## AI Etymology Expansion is borrowed from French expansion, from Latin expānsiō. By surface analysis, expand + -sion. In current use, the main senses are “The act or process of becoming larger in size, amount, or extent” and “The act of adding more information or detail to something”. ## Topics - Numbers & Quantity markdown