impulse 音标拼音: ['ɪmpəls] [ɪmp'ʌls]
n . 冲动,驱使,刺激,推动,冲力,脉冲
vt . 推动
冲动,驱使,刺激,推动,冲力,脉冲推动
impulse 脉冲
impulse n 1 :
an instinctive motive ; "
profound religious impulses " [
synonym :
{
urge }, {
impulse }]
2 :
a sudden desire ; "
he bought it on an impulse " [
synonym :
{
caprice }, {
impulse }, {
whim }]
3 :
the electrical discharge that travels along a nerve fiber ;
"
they demonstrated the transmission of impulses from the cortex to the hypothalamus " [
synonym : {
nerve impulse }, {
nervous impulse }, {
neural impulse }, {
impulse }]
4 : (
electronics )
a sharp transient wave in the normal electrical state (
or a series of such transients ); "
the pulsations seemed to be coming from a star " [
synonym : {
pulsation },
{
pulsing }, {
pulse }, {
impulse }]
5 :
the act of applying force suddenly ; "
the impulse knocked him over " [
synonym : {
impulse }, {
impulsion }, {
impetus }]
6 :
an impelling force or strength ; "
the car '
s momentum carried it off the road " [
synonym : {
momentum }, {
impulse }]
Impulse \
Im *
pulse "\,
v .
t . [
See {
Impel }.]
To impel ;
to incite . [
Obs .] --
Pope .
[
1913 Webster ]
Impulse \
Im "
pulse \,
n . [
L .
impulsus ,
fr .
impellere .
See {
Impel }.]
[
1913 Webster ]
1 .
The act of impelling ,
or driving onward with sudden force ;
impulsion ;
especially ,
force so communicated as to produced motion suddenly ,
or immediately .
[
1913 Webster ]
All spontaneous animal motion is performed by mechanical impulse . --
S .
Clarke .
[
1913 Webster ]
2 .
The effect of an impelling force ;
motion produced by a sudden or momentary force .
[
1913 Webster ]
3 . (
Mech .)
The action of a force during a very small interval of time ;
the effect of such action ;
as ,
the impulse of a sudden blow upon a hard elastic body .
[
1913 Webster ]
4 .
A mental force which simply and directly urges to action ;
hasty inclination ;
sudden motive ;
momentary or transient influence of appetite or passion ;
propension ;
incitement ;
as ,
a man of good impulses ;
passion often gives a violent impulse to the will ;
to buy something on impulse .
[
1913 Webster PJC ]
These were my natural impulses for the undertaking .
--
Dryden .
Syn :
Force ;
incentive ;
influence ;
motive ;
feeling ;
incitement ;
instigation .
[
1913 Webster ]
81 Moby Thesaurus words for "
impulse ":
actuation ,
archetypal pattern ,
archetype ,
atomic power ,
automatic writing ,
automatism ,
blind impulse ,
catalyst ,
collective unconscious ,
compulsion ,
compulsiveness ,
conditioning ,
constraint ,
drive ,
echolalia ,
echopraxia ,
electric power ,
electropower ,
excitant ,
exigency ,
forwardness ,
goad ,
haste ,
hastiness ,
horsepower ,
hydraulic power ,
hydroelectric power ,
id ,
impetus ,
impulsion ,
impulsiveness ,
inborn proclivity ,
incentive ,
incitation ,
incitement ,
instinct ,
instinctiveness ,
involuntariness ,
jet power ,
libido ,
lust ,
manpower ,
motivation ,
natural instinct ,
natural tendency ,
nuclear power ,
overhastiness ,
passion ,
pinch ,
piston power ,
precipitation ,
precociousness ,
precocity ,
prematureness ,
prematurity ,
press ,
pressure ,
primitive self ,
propulsion ,
push ,
rash impulse ,
reflex action ,
rocket power ,
rush ,
sheer chemistry ,
solar power ,
spur ,
steam power ,
stimulant ,
stress ,
subconscious urge ,
thermonuclear power ,
thrust ,
unlearned capacity ,
unreasoning impulse ,
untimeliness ,
unwilledness ,
urge ,
urgency ,
vital impulse ,
water power
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Impulse: Definition, Formula, Examples, and Solved Problems - Science Facts IMPULSE Definition Meaning - Merriam-Webster