Search Result for "impulse": 
Wordnet 3.0

NOUN (6)

1. an instinctive motive;
- Example: "profound religious impulses"
[syn: urge, impulse]

2. a sudden desire;
- Example: "he bought it on an impulse"
[syn: caprice, impulse, whim]

3. the electrical discharge that travels along a nerve fiber;
- Example: "they demonstrated the transmission of impulses from the cortex to the hypothalamus"
[syn: nerve impulse, nervous impulse, neural impulse, impulse]

4. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients);
- Example: "the pulsations seemed to be coming from a star"
[syn: pulsation, pulsing, pulse, impulse]

5. the act of applying force suddenly;
- Example: "the impulse knocked him over"
[syn: impulse, impulsion, impetus]

6. an impelling force or strength;
- Example: "the car's momentum carried it off the road"
[syn: momentum, impulse]


The Collaborative International Dictionary of English v.0.48:

Impulse \Im*pulse"\, v. t. [See Impel.] To impel; to incite. [Obs.] --Pope. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

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]
WordNet (r) 3.0 (2006):

impulse n 1: an instinctive motive; "profound religious impulses" [syn: urge, impulse] 2: a sudden desire; "he bought it on an impulse" [syn: 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" [syn: 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" [syn: pulsation, pulsing, pulse, impulse] 5: the act of applying force suddenly; "the impulse knocked him over" [syn: impulse, impulsion, impetus] 6: an impelling force or strength; "the car's momentum carried it off the road" [syn: momentum, impulse]