English

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Etymology

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de- +‎ caffeine +‎ -ation

Pronunciation

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  • (UK) IPA(key): /diːˌkæfiːˈneɪʃən/

Noun

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decaffeination (uncountable)

  1. The removal of caffeine.
    • 2009 September 20, Victor Lodato, “Psychic Surgery”, in New York Times[1]:
      While Karson and I rested under a tree, I thought of all the things I’d tried, without success, to quell my fears: extreme exercise, decaffeination, deep breathing, blue-green algae.