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Definition of quinone
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 quinone is as below...
Quinone
(n.) A
crystalline
substance,
C6H4O2
(called
also
benzoketone),
first
obtained
by the
oxidation
of
quinic
acid and
regarded
as a
double
ketone;
also, by
extension,
any one of the
series
of which
quinone
proper
is the
type..
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Xyloquinone
::
Xyloquinone
(n.) Any one of a group of
quinone
compounds
obtained
respectively
by the
oxidation
of
certain
xylidine
compounds.
In
general
they are
yellow
crystalline
substances.
Naphthazarin
::
Naphthazarin
(n.) A
dyestuff,
resembling
alizarin,
obtained
from
naphthoquinone
as a red
crystalline
substance
with a
bright
green,
metallic
luster;
--
called
also
naphthalizarin..
Phlorone
::
Phlorone
(n.) A
yellow
crystalline
substance
having
a
peculiar
unpleasant
odor,
resembling
the
quinones,
and
obtained
from
beechwood
tar and coal tar, as also by the
oxidation
of
xylidine;
--
called
also
xyloquinone..
Quinhydrone
::
Quinhydrone
(n.) A green
crystalline
substance
formed
by the union of
quinone
with
hydroquinone,
or as an
intermediate
product
in the
oxidation
of
hydroquinone
or the
reduction
of
quinone..
Chloranil
::
Chloranil
(n.) A
yellow
crystalline
substance,
C6Cl4.O2,
regarded
as a
derivative
of
quinone,
obtained
by the
action
of
chlorine
on
certain
benzene
derivatives,
as
aniline..
Coerulignone
::
Coerulignone
(n.) A
bluish
violet,
crystalline
substance
obtained
in the
purification
of crude wood
vinegar.
It is
regarded
as a
complex
quinone
derivative
of
diphenyl;
--
called
also
cedriret..
Quinone
::
Quinone
(n.) A
crystalline
substance,
C6H4O2
(called
also
benzoketone),
first
obtained
by the
oxidation
of
quinic
acid and
regarded
as a
double
ketone;
also, by
extension,
any one of the
series
of which
quinone
proper
is the
type..
Quinoyl
::
Quinoyl
(n.) A
radical
of which
quinone
is the
hydride,
analogous
to
phenyl..
Emodin
::
Emodin
(n.) An
orange-red
crystalline
substance,
C15H10O5,
obtained
from the
buckthorn,
rhubarb,
etc., and
regarded
as a
derivative
of
anthraquinone;
-- so
called
from a
species
of
rhubarb
(Rheum
emodei)..
Hydr-
::
Hydr- () A
combining
form of
hydrogen,
indicating
hydrogen
as an
ingredient,
as
hydrochloric;
or a
reduction
product
obtained
by
hydrogen,
as
hydroquinone..
Quinoxyl
::
Quinoxyl
(n.) The
hypothetical
radical
of
certain
quinone
derivatives
related
to
rhodizonic
acid.
Nitranilic
::
Nitranilic
(a.) Of,
pertaining
to, or
designating,
a
complex
organic
acid
produced
as a white
crystalline
substance
by the
action
of
nitrous
acid on
hydroquinone..
Juglone
::
"Juglone
(n.) A
yellow
crystalline
substance
resembling
quinone,
extracted
from green
shucks
of the
walnut
(Juglans
regia);
--
called
also
nucin..
Kinone
::
Kinone
(n.) See
Quinone.
Nitroquinol
::
Nitroquinol
(n.) A
hypothetical
nitro
derivative
of
quinol
or
hydroquinone,
not known in the free
state,
but
forming
a well
defined
series
of
derivatives..
Chinone
::
Chinone
(n.) See
Quinone.
Hydroquinone
::
Hydroquinone
(n.) A white
crystalline
substance,
C6H4(OH)2,
obtained
by the
reduction
of
quinone.
It is a
diacid
phenol,
resembling,
and
metameric
with,
pyrocatechin
and
resorcin.
Called
also
dihydroxy
benzene..
Flavol
::
Flavol
(n.) A
yellow,
crystalline
substance,
obtained
from
anthraquinone,
and
regarded
as a
hydroxyl
derivative
of it..
Naphthoquinone
::
Naphthoquinone
(n.) A
yellow
crystalline
substance,
C10H6O2,
analogous
to
quinone,
obtained
by
oxidizing
naphthalene
with
chromic
acid..
Anthraquinone
::
Anthraquinone
(n.) A
hydrocarbon,
C6H4.C2O2.C6H4,
subliming
in
shining
yellow
needles.
It is
obtained
by
oxidation
of
anthracene..
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