What is the definition of Caffeine? | Dictionary.net

CAFFEINE

\kˈafiːn], \kˈafiːn], \k_ˈa_f_iː_n]\

Definitions of CAFFEINE

2010 - New Age Dictionary Database
1913 - Webster's Revised Unabridged Dictionary
1919 - The Winston Simplified Dictionary
1920 - A practical medical dictionary.
1874 - Etymological and pronouncing dictionary of the English language

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A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from guarana.

2010 - New Age Dictionary Database
By Oddity Software

A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from guarana.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.

A bitter, stimulating substance obtained from coffee. Also, caffein.

1919 - The Winston Simplified Dictionary
By William Dodge Lewis, Edgar Arthur Singer

The alkaloidal active principle of coffee, tea, guarana, mate, and kola; it is identical with theine and guaranine acid; see caffeina.

1920 - A practical medical dictionary.
By Stedman, Thomas Lathrop

A bitter stimulating principle found in coffee.

1874 - Etymological and pronouncing dictionary of the English language
By Stormonth, James, Phelp, P. H.

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