extension B2 Topic:Actions & Processes US /ɪkˈstɛnʃən/ See IPA manual Freq #7850 Meanings 1 noun An extra part added to something to make it bigger or longer. They are building an extension on the back of the house to add another bedroom. 2 noun Extra time allowed before something must be finished or paid. She asked her teacher for an extension on the essay deadline. 3 noun The act of making something larger, longer, or wider. The extension of the railway line will connect two more towns. 4 noun Something seen as a natural continuation or part of something else. Many parents treat their children as an extension of themselves. 5 noun The letters after the dot in a file name that show its type. Files with the .txt extension usually contain plain text. Thesaurus Synonyms 3 noun · the act of making something... lengthinessprolongation More denotation ↔ Opposites curllimitationshortening Word family Forms extensions Derived forms coextensioncounterextensionextensionalextensionistextensionlessextensographflexoextensionflextensionhyperextensioninextensionnonextensionover-extension Related forms comprehensionextendextenseextentflexionintension Common collocations extension service Noun + noun Etymology AI details From Middle English extensioun, from Old French estension, from Latin extensiō, extensiōnem. extensioun Middle English estension Old French extensiō Latin View etymology graph -> Topics Actions & Processes External links Cambridge Dictionary Wiktionary Google Images # extension **Type:** Word **Level:** B2 **Part of speech:** noun **IPA (US):** /ɪkˈstɛnʃən/ **Frequency rank:** 7850 ## Meanings 1. An extra part added to something to make it bigger or longer. 2. Extra time allowed before something must be finished or paid. 3. The act of making something larger, longer, or wider. 4. Something seen as a natural continuation or part of something else. 5. The letters after the dot in a file name that show its type. ## Examples - They are building an extension on the back of the house to add another bedroom. - She asked her teacher for an extension on the essay deadline. - The extension of the railway line will connect two more towns. - Many parents treat their children as an extension of themselves. - Files with the .txt extension usually contain plain text. ## Synonyms - denotation ## Antonyms - curl - limitation - shortening ## Derived Forms - coextension - counterextension - extensional - extensionist - extensionless - extensograph - flexoextension - flextension - hyperextension - inextension - nonextension - over-extension ## Related Forms - comprehension - extend - extense - extent - flexion - intension ## Roots and Affixes - Root: extensioun - Root: estension - Root: extensiō ## Etymology From Middle English extensioun, from Old French estension, from Latin extensiō, extensiōnem. ## AI Etymology Extension comes from Middle English extensioun, from Old French estension, from Latin extensiō, extensiōnem. In current use, the main senses are “An extra part added to something to make it bigger or longer” and “Extra time allowed before something must be finished or paid”. ## Topics - Actions & Processes markdown