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.

Noun

(en noun)

A sight or view of the interior of anything; a deep inspection or view; introspection; frequently used with into.

* 1980 , Carl Sagan, Cosmos: A Personal Voyage ,

The history of our study of our solar system shows us clearly that accepted and conventional ideas are often wrong, and that fundamental insights can arise from the most unexpected sources.

Power of acute observation and deduction; penetration; discernment; perception.

(marketing) Knowledge (usually derived from consumer understanding) that a company applies in order to make a product or brand perform better and be more appealing to customers

The act or result of apprehending the inner nature of things or of seeing intuitively

(artificial intelligence) An extended understanding of a subject resulting from identification of relationships and behaviors within a model, context, or scenario.