Definition of Betulin
Bet´u`lin
n.
1.
(Chem.)
a
term
originally
applied
to
a
substance
obtained
as
a
resin
or
tar
by
extraction
from
the
outer
bark
of
the
common
European
white
birch
(
Betula
alba
);
now
referring
to
the
chemical
compound
(
C30H50O2
)
having
a
cyclopentanophenanthrene
ring
system
,
which
is
the
main
constituent
of
that
extract
,
and
which
may
be
obtained
crystalline
; -
called
also
birch
camphor
.
Search
Word:
Browse
Betroth
Betrothal
Betrothment
Betrust
Betrustment
Betso
Better
Better half
better-known
better-looking
better-off
bettering
Betterment
Bettermost
Betterness
Bettong
Bettongia
Bettor
Betty
Betulaceae
Betumble
Betutor
Between
Between decks
Between ourselves
Between wind and water
Betwixt
Betwixt and between
Beurre
bevatron
Bevel
Bevel gear
Bevel wheel
Beveled
Bevelment
Bever
Bever gear
Beverage
Bevile
Beviled
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
© 2009
Interapple, Inc.
Cover
