caffeine
noun
a white, crystalline, bitter alkaloid, C 8 H 10 N 4 O 2 , usually derived from coffee or tea: used in medicine chiefly as a nervous system stimulant.
noncaffeine
-
a word derived from
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.
The presumptive explanation is that the noncaffeine components of coffee exert beneficial effects, and fast metabolizers clear caffeine quickly enough to avoid harm from an excessive dose.
From Seattle Times ● Jul. 10, 2017
