Meaning of IMPULSE in English

IMPULSE

I. ˈim-ˌpəls, im-ˈ transitive verb

( im·pulsed ; im·puls·ing )

Date: 1611

: to give an impulse to

II. ˈim-ˌpəls noun

Etymology: Latin impulsus, from impellere to impel

Date: 1647

1.

a. : inspiration , motivation

b. : a force so communicated as to produce motion suddenly

c. : incentive

2.

a. : the act of driving onward with sudden force : impulsion

b. : motion produced by such an impulsion : impetus

c. : a wave of excitation transmitted through tissues and especially nerve fibers and muscles that results in physiological activity or inhibition

3.

a. : a sudden spontaneous inclination or incitement to some usually unpremeditated action

b. : a propensity or natural tendency usually other than rational

4.

a. : the product of the average value of a force and the time during which it acts : the change in momentum produced by the force

b. : pulse 4a

Synonyms: see motive

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.