Noun

(en noun)

The regular throbbing of the heart, an artery etc. in a living body; the pulse.

*1844 , (Edgar Allan Poe), ‘The Premature Burial’:

*:Pulsation had ceased. For three days the body was preserved unburied, during which it had acquired a stony rigidity.

Any rhythmic beating, throbbing etc.

* Blackstone

By the Cornelian law, pulsation as well as verberation is prohibited.

A single beat, throb or vibration.

Noun

(en noun)

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

* S. Clarke

All spontaneous animal motion is performed by mechanical impulse .

A wish or urge, particularly a sudden one prompting action.

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

When I saw the new dictionary, I couldn't resist the impulse to browse through it.

* Dryden

These were my natural impulses for the undertaking.

* {{quote-book, year=1907, author=

, title=The Dust of Conflict , chapter=20 citation , passage=Tony's face expressed relief, and Nettie sat silent for a moment until the vicar said “It was a generous impulse , but it may have been a momentary one,

(physics) The integral of force over time.

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