- a variation of caffeine.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Afterwards, as though in defense of his professional reputation, Dr. Sirovich said: "Had I had any medication, such as caffein, sodium benzoate, nitroglycerine, adrenalin or oxygen, I perhaps could have helped him."
From Time Magazine Archive
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There are thousands of people, however, who like coffee, but who feel that they should not drink it with the caffein in it.
From Time Magazine Archive
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In not a single instance during his experiments at Columbia University did depression follow the use of caffein.
From All About Coffee by Ukers, William H. (William Harrison)
There is something more to coffee than its caffein stimulus, its action on the taste-buds of the tongue and mouth.
From All About Coffee by Ukers, William H. (William Harrison)
The water extracts certain flavoring and coloring matters, but that which gives it its peculiar stimulant qualities is the alkaloid caffein.
From A Treatise on Physiology and Hygiene For Educational Institutions and General Readers by Hutchison, Joseph Chrisman