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Definition of potassium
Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of potassium is as below...
Potassium
(n.) An
Alkali
element,
occurring
abundantly
but
always
combined,
as in the
chloride,
sulphate,
carbonate,
or
silicate,
in the
minerals
sylvite,
kainite,
orthoclase,
muscovite,
etc.
Atomic
weight
39.0.
Symbol
K
(Kalium)..
Lern More About Potassium
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Rhodizonic
::
Rhodizonic
(a.)
Pertaining
to, or
designating,
a
colorless
crystalline
substance
(called
rhodizonic
acid, and
carboxylic
acid)
obtained
from
potassium
carboxide
and from
certain
quinones.
It forms
brilliant
red,
yellow,
and
purple
salts..
Hepar
::
Hepar (n.) Liver of
sulphur;
a
substance
of a
liver-brown
color,
sometimes
used in
medicine.
It is
formed
by
fusing
sulphur
with
carbonates
of the
alkalies
(esp.
potassium),
and
consists
essentially
of
alkaline
sulphides.
Called
also hepar
sulphuris
(/)..
Potash
::
Potash
(n.) The
impure
potassium
carbonate
obtained
by
leaching
wood
ashes,
either
as a
strong
solution
(lye),
or as a white
crystalline
(pearlash)..
Ethide
::
Ethide
(n.) Any
compound
of ethyl of a
binary
type; as,
potassium
ethide..
Soap
::
Soap (n.) A
substance
which
dissolves
in
water,
thus
forming
a
lather,
and is used as a
cleansing
agent.
Soap is
produced
by
combining
fats or oils with
alkalies
or
alkaline
earths,
usually
by
boiling,
and
consists
of salts of
sodium,
potassium,
etc., with the fatty acids
(oleic,
stearic,
palmitic,
etc.).
See the Note
below,
and cf.
Saponification.
By
extension,
any
compound
of
similar
composition
or
properties,
whether
used as a
cleaning
agent or not..
Rubidium
::
Rubidium
(n.) A rare
metallic
element.
It
occurs
quite
widely,
but in small
quantities,
and
always
combined.
It is
isolated
as a soft
yellowish
white
metal,
analogous
to
potassium
in most of its
properties.
Symbol
Rb.
Atomic
weight,
85.2..
Fowler''s Solution
::
Fowler's
solution
() An
aqueous
solution
of
arsenite
of
potassium,
of such
strength
that one
hundred
parts
represent
one part of
arsenious
acid, or white
arsenic;
-- named from
Fowler,
an
English
physician
who first
brought
it into use..
Potassa
::
Potassa
(n.)
Potassium
hydroxide,
commonly
called
caustic
potash..
Potash
::
Potash
(n.) The
hydroxide
of
potassium
hydrate,
a hard white
brittle
substance,
KOH,
having
strong
caustic
and
alkaline
properties;
-- hence
called
also
caustic
potash..
Stearic
::
Stearate
(n.) A salt of
stearic
acid; as,
ordinary
soap
consists
largely
of
sodium
or
potassium
stearates..
Metalloid
::
Metalloid
(n.)
Formerly,
the
metallic
base of a fixed
alkali,
or
alkaline
earth;
--
applied
by Sir H. Davy to
sodium,
potassium,
and some other
metallic
substances
whose
metallic
character
was
supposed
to be not well
defined..
Melanoscope
::
Melanoscope
(n.) An
instrument
containing
a
combination
of
colored
glasses
such that they
transmit
only red
light,
so that
objects
of other
colors,
as green
leaves,
appear
black when seen
through
it. It is used for
viewing
colored
flames,
to
detect
the
presence
of
potassium,
lithium,
etc., by the red light which they
emit..
Potassamide
::
Potassamide
(n.) A
yellowish
brown
substance
obtained
by
heating
potassium
in
ammonia.
Potassium
::
Potassium
(n.) An
Alkali
element,
occurring
abundantly
but
always
combined,
as in the
chloride,
sulphate,
carbonate,
or
silicate,
in the
minerals
sylvite,
kainite,
orthoclase,
muscovite,
etc.
Atomic
weight
39.0.
Symbol
K
(Kalium)..
Aurate
::
Aurate
(n.) A
combination
of auric acid with a base; as,
aurate
or
potassium..
Kainit
::
Kainit
(n.) Salts of
potassium
used in the
manufacture
of
fertilizers.
Persulphocyanogen
::
Persulphocyanogen
(n.) An
orange-yellow
substance,
produced
by the
action
of
chlorine
or
boiling
dilute
nitric
acid and
sulphocyanate
of
potassium;
--
called
also
pseudosulphocyanogen,
perthiocyanogen,
and
formerly
sulphocyanogen..
Haloxyline
::
Haloxyline
(n.) An
explosive
mixture,
consisting
of
sawdust,
charcoal,
niter,
and
ferrocyanide
of
potassium,
used as a
substitute
for
gunpowder..
Bichromate
::
Bichromate
(n.) A salt
containing
two parts of
chromic
acid to one of the other
ingredients;
as,
potassium
bichromate;
--
called
also
dichromate..
Lye
::
Lye (n.) A
strong
caustic
alkaline
solution
of
potassium
salts,
obtained
by
leaching
wood
ashes.
It is much used in
making
soap, etc..
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