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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.) 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.
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Reflux
::
Reflux
(n.) A
flowing
back, as the
return
of a
fluid;
ebb;
reaction;
as, the flux and
reflux
of the
tides..
Strook
::
Strontium
(n.) A
radioactive
isotope
of
strontium
produced
by
certain
nuclear
reactions,
and
constituting
one of the
prominent
harmful
components
of
radioactive
fallout
from
nuclear
explosions;
also
called
radiostrontium.
It has a
half-life
of 28
years..
Barker''s Mill
::
Barker's
mill () A
machine,
invented
in the 17th
century,
worked
by a form of
reaction
wheel.
The water flows into a
vertical
tube and
gushes
from
apertures
in
hollow
horizontal
arms,
causing
the
machine
to
revolve
on its
axis..
Reaction
::
Reaction
(n.) The force which a body
subjected
to the
action
of a force from
another
body
exerts
upon the
latter
body in the
opposite
direction.
Electro-muscular
::
Electro-muscular
(a.)
Pertaining
the
reaction
(contraction)
of the
muscles
under
electricity,
or their
sensibility
to it..
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..
Magnesia
::
Magnesia
(n.) A light
earthy
white
substance,
consisting
of
magnesium
oxide,
and
obtained
by
heating
magnesium
hydrate
or
carbonate,
or by
burning
magnesium.
It has a
slightly
alkaline
reaction,
and is used in
medicine
as a mild
antacid
laxative.
See
Magnesium..
Test
::
Test (n.) A
reaction
employed
to
recognize
or
distinguish
any
particular
substance
or
constituent
of a
compound,
as the
production
of some
characteristic
precipitate;
also, the
reagent
employed
to
produce
such
reaction;
thus, the
ordinary
test for
sulphuric
acid is the
production
of a white
insoluble
precipitate
of
barium
sulphate
by means of some
soluble
barium
salt..
Reactionist
::
Reactionist
(n.) A
reactionary.
Passive
::
Passive
(a.)
Designating
certain
morbid
conditions,
as
hemorrhage
or
dropsy,
characterized
by
relaxation
of the
vessels
and
tissues,
with
deficient
vitality
and lack of
reaction
in the
affected
tissues..
Acid
::
Acid (a.) Of or
pertaining
to an acid; as, acid
reaction..
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..
Reagent
::
Reagent
(n.) A
substance
capable
of
producing
with
another
a
reaction,
especially
when
employed
to
detect
the
presence
of other
bodies;
a
test..
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.
Preaction
::
Preaction
(n.)
Previous
action.
Benzamide
::
Benzamide
(n.) A
transparent
crystalline
substance,
C6H5.CO.NH2,
obtained
by the
action
of
ammonia
upon
chloride
of
benzoyl,
as also by
several
other
reactions
with
benzoyl
compounds..
Rational
::
Rational
(a.)
Expressing
the type,
structure,
relations,
and
reactions
of a
compound;
graphic;
-- said of
formulae.
See under
Formula..
Reciprocity
::
Reciprocity
(n.)
Mutual
action
and
reaction.
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..
Lactamide
::
Lactamide
(n.) An acid amide
derived
from
lactic
acid, and
obtained
as a white
crystalline
substance
having
a
neutral
reaction.
It is
metameric
with
alanine..
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