English edit

Etymology edit

From extemporise +‎ -ation.

Pronunciation edit

Noun edit

extemporisation (countable and uncountable, plural extemporisations)

  1. (British spelling) Alternative spelling of extemporization.
    • 1961 June, “Motive Power Miscellany: Southern Region”, in Trains Illustrated, page 380:
      After the collision between a suburban electric and a 4-6-2 outside Waterloo at the peak evening period on April 11, a swift extemporisation of many Western Section services was necessary.