Betulin
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
.
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
-Betulin-
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
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