decaffeinator

de·caf·fein·ate

[dee-kaf-uh-neyt, -kaf-ee-uh-]
verb (used with object), de·caf·fein·at·ed, de·caf·fein·at·ing.
to extract caffeine from: to decaffeinate coffee.

Origin:
1925–30; de- + caffein + -ate1

de·caf·fein·a·tion, noun
de·caf·fein·a·tor, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
decaffeinate (dɪˈkæfɪˌneɪt) [Click for IPA pronunciation guide]
 
vb
(tr) to remove all or part of the caffeine from (coffee, tea, etc)

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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00:10
Decaffeinator is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a scrap or morsel of food left at a meal.
Etymonline
Word Origin & History

decaffeinate
1927, from de- + caffeine + -ate. Related: Decaffeinated.
Online Etymology Dictionary, © 2010 Douglas Harper
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