Online Google Dictionary

impulse 中文解釋 wordnet sense Collocation Usage
Noun
/ˈimˌpəls/,
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impulses, plural;
  1. A sudden strong and unreflective urge or desire to act
    • - I had an almost irresistible impulse to giggle
    • - impulse buying
  2. The tendency to act in this way
    • - he was a man of impulse, not premeditation
  3. A driving or motivating force; an impetus
    • - an added impulse to this process of renewal
  4. A pulse of electrical energy; a brief current
    • - nerve impulses
    • - a spiral is used to convert radio waves into electrical impulses
  5. A force acting briefly on a body and producing a finite change of momentum

  6. A change of momentum so produced, equivalent to the average value of the force multiplied by the time during which it acts


  1. urge: an instinctive motive; "profound religious impulses"
  2. caprice: a sudden desire; "he bought it on an impulse"
  3. nerve impulse: the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus"
  4. pulsation: (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"
  5. the act of applying force suddenly; "the impulse knocked him over"
  6. momentum: an impelling force or strength; "the car's momentum carried it off the road"
  7. Impulse! Records was an American jazz record label, originally established in 1960 by producer Creed Taylor as a subsidiary of ABC-Paramount Records, based in New York City. John Coltrane was among Impulse! ...
  8. Impulse is a 1984 science fiction thriller film about the residents of a small rural town that after a small earthquake start to exhibit strange and violent behavior. The film was directed by Graham Baker, and stars Tim Matheson, Meg Tilly, and Hume Cronyn.
  9. Impulse is a 1990 thriller film about a female police officer who works undercover as a prostitute on the streets of Los Angeles. The film was directed by Sondra Locke, and stars Theresa Russell, Jeff Fahey, and George Dzundza.
  10. Bartholomew "Bart" Allen is a superhero in the . Allen first appeared as the superhero Impulse. He would later go on to become the second Kid Flash and the fourth Flash. Allen's first cameo appearance was in The Flash (vol. 2) #91, while his first full appearance was in issue #92. ...
  11. Impulse is a bodyspray manufactured by Fabergé which was part of Unilever, an Anglo-Dutch company based in Rotterdam, Netherlands, and London, United Kingdom. ...
  12. Impulse, in comics, may refer to: *Impulse (DC Comics): **An alias used by Kent Shakespeare, a retired member of the Legion of Super-Heroes who was active only during the "Five Year Gap" **An alias used by Bart Allen **An alias used by Iris West, the daughter of Wally West.
  13. A thrust; a push; a sudden force that impels; A wish or urge, particularly a sudden one; The integral of force over time
  14. (impulsed) the projection of ideas or desires into any intelligence
  15. The amount of energy generated in an explosion. It can be either positive (impact force) or negative (suction force) energy. Impulse is measured by integration of the pressure / time curve recorded in an explosion.
  16. A very short, transient, electric or acoustic signal.
  17. The energy or "push" derived from the mainspring via the train and escapement and imparted to the balance to maintain its oscillations.
  18. an application of force in a manner to produce sudden strain or motion, such as hydraulic pressure applied in a hose.
  19. An impulse is a sudden spontaneous inclination or incitement to some usually unpremeditated action. It is a force that often produces sudden motion, which sometimes is inhibited. ...
  20. The signal that travels along the length of a nerve fiber and ends in the release of neurotransmitters. Nerve impulses are the means by which information is transmitted along the neuron and throughout the nervous system.
  21. The product of average net force and change in time.  It can be measured in Newton Seconds (Ns) and is equal to (causes) the change in momentum.
  22. the electrochemical transmission of a signal along a phloem or a nerve fiber that produces an excitatory or inhibitory response at a target tissue.
  23. A unidirectional wave which rises rapidly to a maximum and falls a little less rapidly, to zero. Its wave shape is expressed by two numbers (T1/T2). ...
  24. A sharply defined change in a series of input data being studied, such as market prices or volume.
  25. A single input to a system. Impulses are assumed to be of infinitely short duration.