browse words by letter
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
more about caffeine
caffeine |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Caffeine \Caf*fe"ine\, n. [Cf. F. caf['e]ine. See {Coffee}.] (Chem.) A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid {theine} from tea leaves, and with {guaranine} from guarana. From WordNet r 1.6 [wn]: caffeine n : a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects [syn: {caffein}]
more about caffeine
This work is licensed under a
