Noun
A
crystalline
unsaturated
hydroxy
fatty acid
C
<
sub
>
18
sub
>
H
<
sub
>
34
sub
>
O
<
sub
>
3
sub
>
that
yields
esters
important
as
plasticizers
and
whose
glyceride
(
ricinolein
)
is
the
main
component
of
castor oil
.