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theine
the·ine [ thn, th in ]


noun 
Definition:
 
caffeine in tea: caffeine, particularly as found in tea
[Mid-19th century < modern Latin Thea, former genus name of the tea plant < Dutch t(h)ee (see tea)]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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