reaction 音标拼音: [ri'ækʃən]
n . 反应,反作用,反馈,反动,影响
反应,反作用,反馈,反动,影响
reaction 反应 反作用
reaction n 1 : (
chemistry )
a process in which one or more substances are changed into others ; "
there was a chemical reaction of the lime with the ground water " [
synonym : {
chemical reaction },
{
reaction }]
2 :
an idea evoked by some experience ; "
his reaction to the news was to start planning what to do "
3 :
a bodily process occurring due to the effect of some antecedent stimulus or agent ; "
a bad reaction to the medicine "; "
his responses have slowed with age " [
synonym :
{
reaction }, {
response }]
4 : (
mechanics )
the equal and opposite force that is produced when any force is applied to a body ; "
every action has an equal and opposite reaction "
5 :
a response that reveals a person '
s feelings or attitude ; "
he was pleased by the audience '
s reaction to his performance ";
"
John feared his mother '
s reaction when she saw the broken lamp "
6 :
extreme conservatism in political or social matters ; "
the forces of reaction carried the election "
7 :
doing something in opposition to another way of doing it that you don '
t like ; "
his style of painting was a reaction against cubism "
Reaction \
Re *
ac "
tion \ (
r [-
e ]*[
a ^]
k "
sh [
u ^]
n ),
n . [
Cf .
F .
r ['
e ]
action .]
1 .
Any action in resisting other action or force ;
counter tendency ;
movement in a contrary direction ;
reverse action .
[
1913 Webster ]
2 . (
Chem .)
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 }.
[
1913 Webster ]
3 . (
Med .)
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 .
[
1913 Webster ]
4 . (
Mech .)
The force which a body subjected to the action of a force from another body exerts upon the latter body in the opposite direction .
[
1913 Webster ]
Reaction is always equal and opposite to action ,
that is to say ,
the actions of two bodies upon each other are always equal and in opposite directions .
--
Sir I .
Newton (
3d Law of Motion ).
[
1913 Webster ]
5 . (
Politics )
Backward tendency or movement after revolution ,
reform ,
or great progress in any direction .
[
1913 Webster ]
The new king had ,
at the very moment at which his fame and fortune reached the highest point ,
predicted the coming reaction . --
Macaulay .
[
1913 Webster ]
6 . (
Psycophysics )
A regular or characteristic response to a stimulation of the nerves .
[
Webster 1913 Suppl .]
7 .
An action by a person or people in response to an event .
The reaction may be primarily mental ("
a reaction of surprise ")
but is usually manifested by some activity .
[
PJC ]
{
Reaction time } (
Physiol .),
in nerve physiology ,
the interval between the application of a stimulus to an end organ of sense and the reaction or resulting movement ; --
called also {
physiological time }.
{
Reaction wheel } (
Mech .),
a water wheel driven by the reaction of water ,
usually one in which the water ,
entering it centrally ,
escapes at its periphery in a direction opposed to that of its motion by orifices at right angles ,
or inclined ,
to its radii .
[
1913 Webster ]
246 Moby Thesaurus words for "
reaction ":
Bourbonism ,
Toryism ,
acknowledgment ,
action and reaction ,
aeromotor ,
affect ,
affection ,
answer ,
answering ,
antagonism ,
antipathy ,
antiphon ,
assumption ,
attitude ,
back answer ,
back talk ,
backchat ,
backlash ,
backset ,
backsliding ,
backward motion ,
backward step ,
backwardness ,
backwash ,
brain disease ,
challenge ,
clashing ,
climate of opinion ,
clout ,
collision ,
combative reaction ,
comeback ,
common belief ,
community sentiment ,
compensation ,
complaint ,
conceit ,
concept ,
conception ,
conclusion ,
conflict ,
confutation ,
consensus gentium ,
conservatism ,
conservativeness ,
consideration ,
contradiction ,
contraposition ,
contrariety ,
counteraction ,
counterbalance ,
counterposition ,
counterworking ,
crack -
up ,
crankiness ,
crotchetiness ,
defiance ,
demur ,
die -
hardism ,
dispute ,
dissent ,
dissentience ,
echo ,
effect ,
emotion ,
emotional charge ,
emotional disorder ,
emotional instability ,
emotional shade ,
estimate ,
estimation ,
ethos ,
evasive reply ,
experience ,
extreme right ,
extreme right wing ,
extreme rightism ,
eye ,
feedback ,
feeling ,
feeling tone ,
force ,
foreboding ,
fractiousness ,
friction ,
functional nervous disorder ,
general belief ,
gut reaction ,
heartthrob ,
idea ,
impact ,
impress ,
impression ,
imprint ,
insanity ,
interference ,
jet power ,
jet propulsion ,
judgment ,
kick ,
know -
nothingism ,
laissez -
faireism ,
lapse ,
lights ,
maladjustment ,
manic -
depressive psychosis ,
mark ,
melancholia ,
mental disorder ,
mental illness ,
mind ,
monarchism ,
mystique ,
negativism ,
nervous breakdown ,
nervous disorder ,
neurosis ,
nonconformity ,
noncooperation ,
notion ,
objection ,
observation ,
obstinacy ,
old school tie ,
opinion ,
opposition ,
opposure ,
oppugnance ,
oppugnancy ,
paranoia ,
passion ,
passive resistance ,
personal judgment ,
personality disorder ,
perverseness ,
point of view ,
popular belief ,
position ,
posture ,
power plant ,
presentiment ,
presumption ,
prevailing belief ,
print ,
problems in living ,
profound sense ,
protest ,
psychosis ,
public belief ,
public opinion ,
radical rightism ,
ram -
jet propulsion ,
reaction propulsion ,
reactionariness ,
reactionaryism ,
ready reply ,
rebuff ,
recalcitrance ,
recalcitrancy ,
recalcitration ,
receipt ,
recession ,
recidivation ,
recidivism ,
reciprocation ,
recoil ,
reentry ,
reflex ,
refluence ,
reflux ,
refractoriness ,
regress ,
regression ,
rejoinder ,
relapse ,
reluctance ,
remonstrance ,
renitence ,
renitency ,
repartee ,
repellence ,
repellency ,
repercussion ,
replication ,
reply ,
repost ,
reprisal ,
repugnance ,
repulse ,
repulsion ,
rescript ,
rescription ,
resistance ,
resojet propulsion ,
respondence ,
response ,
responsion ,
responsory ,
retaliation ,
retort ,
retroaction ,
retrocession ,
retroflexion ,
retrogradation ,
retrogression ,
retrusion ,
return ,
revenge ,
reverberation ,
revolt ,
rightism ,
riposte ,
rocket power ,
rocket propulsion ,
rollback ,
royalism ,
schizophrenia ,
sensation ,
sense ,
sentiment ,
setback ,
short answer ,
sight ,
snappy comeback ,
social Darwinism ,
social maladjustment ,
stance ,
stand ,
standpattism ,
sternway ,
swimming upstream ,
theory ,
thinking ,
thought ,
throwback ,
turbojet propulsion ,
ultraconservatism ,
uncooperativeness ,
undercurrent ,
unprogressiveness ,
view ,
way of thinking ,
withstanding ,
witty reply ,
witty retort ,
yes -
and -
no answer
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