impetus

Definitions

  • WordNet 3.6
    • n impetus the act of applying force suddenly "the impulse knocked him over"
    • n impetus a force that moves something along
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Webster's Revised Unabridged Dictionary
    • Impetus A property possessed by a moving body in virtue of its weight and its motion; the force with which any body is driven or impelled; momentum.
    • Impetus Fig.: Impulse; incentive; stimulus; vigor; force; as, the President's strong recommendation provided the impetus needed to pass the campaign reform bill.
    • Impetus (Gun) The altitude through which a heavy body must fall to acquire a velocity equal to that with which a ball is discharged from a piece.
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Century Dictionary and Cyclopedia
    • n impetus Energy of motion; the power with which a moving body tends to maintain its velocity and overcome resistance: as, the impetus of a cannon-ball; hence, figuratively, impulse; impulsion; stimulus.
    • n impetus In gunnery, the altitude due to the first force of projection, or the space through which a body must fall to acquire a velocity equal to that with which a ball is discharged from a piece.
    • n impetus The sudden force of passion.
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Chambers's Twentieth Century Dictionary
    • n Impetus im′pe-tus an attack: force or quantity of motion: violent tendency to any point.
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Quotations

  • Norman Mailer
    Norman%20Mailer
    “There's a subterranean impetus towards pornography so powerful that half the business world is juiced by the sort of half sex that one finds in advertisements.”

Etymology

Webster's Revised Unabridged Dictionary
L., fr. impetere, to rush upon, attack; pref. im-, in + petere, to fall upon, seek. See Petition
Chambers's Twentieth Century Dictionary
L.,—in, in, petĕre, to fall upon.

Usage

In literature:

He was almost jostled out, the mare started with such impetus.
"'Doc.' Gordon" by Mary E. Wilkins-Freeman
Then there was all the economy and impetus gained from consolidation.
"How To Write Special Feature Articles" by Willard Grosvenor Bleyer
Bowie also added a fresh impetus.
"The Texan Scouts" by Joseph A. Altsheler
These schools gave a great impetus to prophecy.
"The Bible Period by Period" by Josiah Blake Tidwell
The impetus of the Union attack was irresistible.
"Notable Events of the Nineteenth Century" by Various
At the close of the war of 1812-15, a new impetus was given to everything throughout the South, and especially to education.
"The Memories of Fifty Years" by William H. Sparks
Bart let the hand car drive at its own impetus.
"Bart Stirling's Road to Success" by Allen Chapman
The Teacher must recognize himself to be the impetus, not the goal.
"The Boy and the Sunday School" by John L. Alexander
Under Scientific Management such a desire receives added impetus from the method of attack provided for through its teaching.
"The Psychology of Management" by L. M. Gilbreth
Yellow might lend impetus to the Yellow Peril.
"Punch, or the London Charivari, Vol. 158, January 28th, 1920" by Various
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In news:

This simple progression is one impetus for moving forward on the lean journey —or the life journey.
No impetus to acquire a right-handed batter (that's what Jason Bay is paid for, anyway).
'Food as Impetus for Craft' Exhibition Opens November 17.
Against the backdrop an unthinkable tragedy, the Kansas City Chiefs gave themselves a reason to be proud Sunday -- and perhaps the impetus to let the healing begin.
Against the backdrop of an unthinkable tragedy, the Kansas City Chiefs gave themselves a reason to be proud Sunday -- and perhaps the impetus to let the healing begin.
David is the impetus behind the Channel4/ITN project to find and film the wreck of World Ward 2 Battlecruiser The Hood.
That last concept was the impetus for the founding of Center City Arts, a place of creativity and wellness established by Stairways Behavioral Health.
Nixon's snub appeared to be the impetus for group's name change a year later.
For Dr Pepper and other beverage companies engaged in similar work, the impetus is their bottom line — conserving water guarantees long-term access to the most crucial ingredient in their products.
But for Dr Pepper and other beverage companies engaged in similar work, the impetus is their bottom line — conserving water guarantees long-term access to the most crucial ingredient in their products.
The primary impetus for the rush is an expected change in the tax laws.
Ferdinand Derby Anniversary Impetus for Slaughter-Ban Push.
At some point, Owusu provided a gentle nudge, which perhaps provided the impetus to send him back deep Sunday.
NEW DELHI (AP) — Former Indian Prime Minister Inder Kumar Gujral, who gave a new impetus to improving India's relations with its neighbors during a term in office that lasted less than a year, died Friday after a yearlong illness.
What has been the impetus for them, and what was the enabling technology.
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In science:

In recent years, the sub ject has received much impetus from the completion of large spectroscopic and photometric surveys at different redshifts (e.g.
How `heredity' and `environment' shape galaxy properties
As a result, there is now a great impetus to better understand how to control and to cool the nuclear spin degrees of freedom in such systems [12, 13].
Resonant Cooling of Nuclear Spins in Quantum Dots
This will lead to integrals over K which can be explicitly evaluated as well as some functions on F ; these functions on F will perhaps be within the scope of the integral, or instead will provide further impetus for extending the integral. (ii) The second issue concerns ramification.
Fubini's theorem and non-linear change of variables over a two-dimensional local field
This realisation provided an impetus for the study of high resolution p( ~d, {pp})n experiments that are detailed in section 5.
Review of quasi-elastic charge-exchange data in the nucleon-deuteron breakup reaction
The author thanks Marek Abramowicz and the organizers of the Asymptotic Methods in Accretion Disk Theory workshop at CAMK (May/June 2009) where the impetus for this work originated.
Low magnetic-Prandtl number flow configurations for cold astrophysical disk models: speculation and analysis
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