English Lexicon

Extension

/ɪkˈstɛn.ʃən/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

1 sense
As noun
  1. 1

    A part that is added to something to enlarge or prolong it.

    "The university is building an extension to the library."

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Synonyms (1)

Linguistic Origin & Historical Etymology

The word 'extension' originates from the Latin 'extensio', which means 'a stretching out'. It evolved through Old French before entering Middle English, reflecting the concept of increasing scope or range.

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