Definition of Coumarin
Cou´ma`rin
Pronunciation:
kŌ´må`rĭn
n.
1.
(Chem.)
The
concrete
essence
of
the
tonka
bean
,
the
fruit
of
Dipterix
(
formerly
Coumarouna
)
odorata
and
consisting
essentially
of
coumarin
proper
,
which
is
a
white
crystalline
substance
,
C9H6O2
,
of
vanilla-like
odor
,
regarded
as
an
anhydride
of
coumaric
acid
,
and
used
in
flavoring
.
Coumarin
in
also
made
artificially
.
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