decaffeinate

American

[dee-kaf-uh-neyt, -kaf-ee-uh-] / diˈkæf əˌneɪt, -ˈkæf i ə- /

verb (used with object)

decaffeinated, decaffeinating

to extract caffeine from.

to decaffeinate coffee.

decaffeinate British

/ dɪˈkæfɪˌneɪt /

verb

(tr) to remove all or part of the caffeine from (coffee, tea, etc)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

decaffeinator

noun
decaffeination

noun

Etymology

Origin of decaffeinate

First recorded in 1925–30; de- + caffein + -ate ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023