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Definition of reaction
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 reaction is as below...
Reaction
(n.) The
mutual
or
reciprocal
action
of
chemical
agents
upon each
other,
or the
action
upon such
chemical
agents
of some form of
energy,
as heat,
light,
or
electricity,
resulting
in a
chemical
change
in one or more of these
agents,
with the
production
of new
compounds
or the
manifestation
of
distinctive
characters.
See
Blowpipe
reaction,
Flame
reaction,
under
Blowpipe,
and
Flame..
Lern More About Reaction
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Bile
::
Bile (n.) A
yellow,
or
greenish,
viscid
fluid,
usually
alkaline
in
reaction,
secreted
by the
liver.
It
passes
into the
intestines,
where it aids in the
digestive
process.
Its
characteristic
constituents
are the bile
salts,
and
coloring
matters..
Reaction
::
Reaction
(n.) An
action
induced
by vital
resistance
to some other
action;
depression
or
exhaustion
of vital force
consequent
on
overexertion
or
overstimulation;
heightened
activity
and
overaction
succeeding
depression
or
shock.
Resist
::
Resist
(v. t.) To
counteract,
as a
force,
by
inertia
or
reaction..
Diazotize
::
Diazotize
(v. t.) To
subject
to such
reactions
or
processes
that diazo
compounds,
or their
derivatives,
shall be
produced
by
chemical
exchange
or
substitution..
Bromoform
::
Bromoform
(n.) A
colorless
liquid,
CHBr3,
having
an
agreeable
odor and
sweetish
taste.
It is
produced
by the
simultaneous
action
of
bromine
and
caustic
potash
upon wood
spirit,
alcohol,
or
acetone,
as also by
certain
other
reactions.
In
composition
it is the same as
chloroform,
with the
substitution
of
bromine
for
chlorine.
It is
somewhat
similar
to
chloroform
in its
effects..
Recoil
::
Recoil
(n.)
Specifically,
the
reaction
or
rebounding
of a
firearm
when
discharged..
Reactionary
::
Reactionary
(a.)
Being,
causing,
or
favoring
reaction;
as,
reactionary
movements..
Earth
::
Earth (n.) A
similar
oxide,
having
a
slight
alkaline
reaction,
as lime,
magnesia,
strontia,
baryta..
Revulsion
::
Revulsion
(n.) A
sudden
reaction;
a
sudden
and
complete
change;
--
applied
to the
feelings.
Reaction
::
Reaction
(n.) The
mutual
or
reciprocal
action
of
chemical
agents
upon each
other,
or the
action
upon such
chemical
agents
of some form of
energy,
as heat,
light,
or
electricity,
resulting
in a
chemical
change
in one or more of these
agents,
with the
production
of new
compounds
or the
manifestation
of
distinctive
characters.
See
Blowpipe
reaction,
Flame
reaction,
under
Blowpipe,
and
Flame..
Turbine
::
Turbine
(n.) A water
wheel,
commonly
horizontal,
variously
constructed,
but
usually
having
a
series
of
curved
floats
or
buckets,
against
which the water acts by its
impulse
or
reaction
in
flowing
either
outward
from a
central
chamber,
inward
from an
external
casing,
or from above
downward,
etc.; -- also
called
turbine
wheel..
Acid
::
Acid (a.) Of or
pertaining
to an acid; as, acid
reaction..
Water Wheel
::
Water wheel () Any wheel for
propelling
machinery
or for other
purposes,
that is made to
rotate
by the
direct
action
of
water;
--
called
an
overshot
wheel when the water is
applied
at the top, an
undershot
wheel when at the
bottom,
a
breast
wheel when at an
intermediate
point;
other forms are
called
reaction
wheel,
vortex
wheel,
turbine
wheel,
etc..
Synthesis
::
Synthesis
(n.) The art or
process
of
making
a
compound
by
putting
the
ingredients
together,
as
contrasted
with
analysis;
thus, water is made by
synthesis
from
hydrogen
and
oxygen;
hence,
specifically,
the
building
up of
complex
compounds
by
special
reactions,
whereby
their
component
radicals
are so
grouped
that the
resulting
substances
are
identical
in every
respect
with the
natural
articles
when such
occur;
thus,
artificial
alcohol,
urea,
indigo
blue,
alizarin,
etc., are made by
synthesis..
Reactionary
::
Reactionary
(n.) One who
favors
reaction,
or seeks to undo
political
progress
or
revolution..
Protamin
::
Protamin
(n.) An
amorphous
nitrogenous
substance
found in the
spermatic
fluid of
salmon.
It is
soluble
in
water,
which an
alkaline
reaction,
and
unites
with acids and
metallic
bases..
Pearlash
::
Pearlash
(n.) A white
amorphous
or
granular
substance
which
consists
principally
of
potassium
carbonate,
and has a
strong
alkaline
reaction.
It is
obtained
by
lixiviating
wood
ashes,
and
evaporating
the lye, and has been an
important
source
of
potassium
compounds.
It is used in
making
soap,
glass,
etc..
Reflux
::
Reflux
(n.) A
flowing
back, as the
return
of a
fluid;
ebb;
reaction;
as, the flux and
reflux
of the
tides..
Reciprocity
::
Reciprocity
(n.)
Mutual
action
and
reaction.
Casein
::
Casein
(n.) A
proteid
substance
present
in both the
animal
and the
vegetable
kingdom.
In the
animal
kingdom
it is
chiefly
found in milk, and
constitutes
the main part of the curd
separated
by
rennet;
in the
vegetable
kingdom
it is found more or less
abundantly
in the seeds of
leguminous
plants.
Its
reactions
resemble
those of
alkali
albumin..
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