Sulphur
Definition of Sulphur
Sul´phur
n.
1.
(Chem.)
A
nonmetallic
element
occurring
naturally
in
large
quantities
,
either
combined
as
in
the
sulphides
(
as
pyrites
)
and
sulphates
(
as
gypsum
),
or
native
in
volcanic
regions
,
in
vast
beds
mixed
with
gypsum
and
various
earthy
materials
,
from
which
it
is
melted
out
.
Symbol
S
.
Atomic
weight
32
.
The
specific
gravity
of
ordinary
octohedral
sulphur
is
2
.
05
;
of
prismatic
sulphur
,
1
.96.
2.
(Zool.)
Any
one
of
numerous
species
of
yellow
or
orange
butterflies
of
the
subfamily
Pierinæ
;
as
,
the
clouded
sulphur
(
Eurymus
philodice
syn
.
Colias
philodice
),
which
is
the
common
yellow
butterfly
of
the
Eastern
United
States
.
Amorphous sulphur
(Chem.)
an
elastic
variety
of
sulphur
of
a
resinous
appearance
,
obtained
by
pouring
melted
sulphur
into
water
.
On
standing
,
it
passes
back
into
a
brittle
crystalline
modification
.
Liver of sulphur
(Old Chem.)
See
Hepar
.
Sulphur acid
(Chem.)
See
Sulphacid
.
Sulphur alcohol
(Chem.)
See
Mercaptan
.
Sulphur auratum
(Old Chem.)
a
golden
yellow
powder
,
consisting
of
antimonic
sulphide
,
Sb2S5
, -
formerly
a
famous
nostrum
.
Sulphur base
(Chem.)
an
alkaline
sulphide
capable
of
acting
as
a
base
in
the
formation
of
sulphur
salts
according
to
the
old
dual
theory
of
salts
.
Sulphur dioxide
(Chem.)
a
colorless
gas
,
SO2
,
of
a
pungent
,
suffocating
odor
,
produced
by
the
burning
of
sulphur
.
It
is
employed
chiefly
in
the
production
of
sulphuric
acid
,
and
as
a
reagent
in
bleaching
; -
called
also
sulphurous anhydride
,
and
formerly
sulphurous acid
.
Sulphur ether
(Chem.)
a
sulphide
of
hydrocarbon
radicals
,
formed
like
the
ordinary
ethers
,
which
are
oxides
,
but
with
sulphur
in
the
place
of
oxygen
.
Sulphur salt
(Chem.)
a
salt
of
a
sulphacid
;
a
sulphosalt
.
Sulphur showers
showers
of
yellow
pollen
,
resembling
sulphur
in
appearance
,
often
carried
from
pine
forests
by
the
wind
to
a
great
distance
.
Sulphur trioxide
(Chem.)
a
white
crystalline
solid
,
SO3
,
obtained
by
oxidation
of
sulphur
dioxide
.
It
dissolves
in
water
with
a
hissing
noise
and
the
production
of
heat
,
forming
sulphuric
acid
,
and
is
employed
as
a
dehydrating
agent
.
Called
also
sulphuric anhydride
,
and
formerly
sulphuric acid
.
Sulphur whale
(Zool.)
See
Sulphur-bottom
.
Vegetable sulphur
(Bot.)
lycopodium
powder
.
See
under
Lycopodium
.
Related Words
atomic
number
16
,
process
,
S
,
sulfur
,
treat
Word:
Browse
Sulphocyanate
Sulphocyanic
Sulphocyanide
Sulphocyanogen
Sulphonal
Sulphonate
Sulphone
Sulphonic
Sulphonic group
Sulphonium
Sulphophosphate
Sulphophosphite
Sulphophosphoric
Sulphophosphorous
Sulphosalt
Sulphostannate
Sulphostannic
Sulphotungstate
Sulphotungstic
Sulphovinic
-Sulphur-
Sulphur acid
Sulphur alcohol
Sulphur auratum
Sulphur base
Sulphur dioxide
Sulphur ether
Sulphur salt
Sulphur showers
Sulphur trioxide
Sulphur whale
Sulphur-bottom
Sulphurate
Sulphuration
Sulphurator
Sulphureity
Sulphureous
Sulphuret
Sulphureted
Sulphureted hydrogen
Sulphuric
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