Meaning of IMPULSE in English

IMPULSE

■ noun

1》 a sudden strong and unreflective urge to act.

2》 an impetus.

3》 a pulse of electrical energy; a brief current.

4》 Physics a force acting briefly on a body and producing a change of momentum.

Origin

C17 (earlier (ME) as impulsion ), as a verb in the sense 'give an ~ to', from L. impuls- , impellere (see impel ).

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.