Impulse

//ˈɪmpʌls// noun, verb

Definitions

Noun
  1. 1
    A thrust; a push; a sudden force that impels.

    "c. 1715-1716, Samuel Clarke, letter to Gottfried Wilhelm Leibniz All spontaneous animal motion is performed by mechanical impulse."

  2. 2
    the act of applying force suddenly wordnet
  3. 3
    A wish or urge, particularly a sudden one prompting action.

    "The impulse to learn drove me to study night and day."

  4. 4
    an impelling force or strength wordnet
  5. 5
    The integral of force over time.

    "The total impulse from the impact will depend on the kinetic energy of the projectile."

Show 4 more definitions
  1. 6
    the electrical discharge that travels along a nerve fiber wordnet
  2. 7
    (electronics) a sharp transient wave in the normal electrical state (or a series of such transients) wordnet
  3. 8
    a sudden desire wordnet
  4. 9
    an instinctive motive wordnet
Verb
  1. 1
    To impel; to incite. transitive

    "With that force so impulsed and prest they are carried under the deepe Ocean."

Etymology

Etymology 1

Borrowed from Middle French impulser, from Latin impulsus. For spelling, as in pulse, the -e (on -lse) is so the end is pronounced /ls/, rather than /lz/ as in pulls, and does not change the vowel (‘u’). Compare else, false, convulse.

Etymology 2

Borrowed from Middle French impulser, from Latin impulsus. For spelling, as in pulse, the -e (on -lse) is so the end is pronounced /ls/, rather than /lz/ as in pulls, and does not change the vowel (‘u’). Compare else, false, convulse.

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