Definition of Petrolatum
Pet`ro`la´tum
n.
1.
(Chem. & Pharm.)
A
semisolid
unctuous
substance
,
neutral
,
and
without
taste
or
odor
,
derived
from
petroleum
by
distilling
off
the
lighter
portions
and
purifying
the
residue
.
It
is
a
yellowish
,
fatlike
mass
,
transparent
in
thin
layers
,
and
somewhat
fluorescent
.
It
is
used
as
a
bland
protective
dressing
,
and
as
a
substitute
for
fatty
materials
in
ointments
.
Related Words
cordite
,
jelly
,
mineral
jelly
,
mixture
,
petrolatum
gauze
,
petroleum
jelly
,
Vaseline
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