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Pulsator

Definitions

  • Webster's Revised Unabridged Dictionary
    • Pulsator A beater; a striker.
    • Pulsator (Mech) That which beats or throbs in working.
    • ***
Century Dictionary and Cyclopedia
    • n pulsator A beater; a striker.
    • n pulsator The pulsometer pump.
    • n pulsator A small gravitating machine or shaker, used in diamondmining in South Africa and elsewhere. It works on the same principle as the jigger.
    • ***
Chambers's Twentieth Century Dictionary
    • n Pulsator a pulsometer: a jigging-machine, used in South African diamond-digging
    • ***

Quotations

  • Napoleon Hill
    Napoleon%20Hill
    “Desire is the starting point of all achievement, not a hope, not a wish, but a keen pulsating desire which transcends everything.”
  • Peter De Vries
    Peter%20De%20Vries
    “Anyone informed that the universe is expanding and contracting in pulsations of eighty billion years has a right to ask, What's in it for me?”

Etymology

Webster's Revised Unabridged Dictionary
L
Chambers's Twentieth Century Dictionary
L. pulsāre, -ātum, to beat, freq. of pellĕre, pulsum, to drive.

Usage

In literature:

A golden heart was beating within his golden breast, with so clear a musical pulsation that the waiting crowds could hear it from outside.
"Abbe Mouret's Transgression La Faute De L'abbe Mouret" by Emile Zola
It seems as if one could put one's hand upon the singer's heart and count its pulsations.
"Reviews" by Oscar Wilde
If he reads "The Message to Garcia" he feels himself pulsating with the zeal to do deeds of valor and heroism.
"The Reconstructed School" by Francis B. Pearson
Why, she wondered vaguely, had she devoted her whole life to a pursuit in which there was so little of the pulsation of the intenser realities?
"The Wheel of Life" by Ellen Anderson Gholson Glasgow
The dorsal tube pulsates and thus acts as a heart.
"The Whence and the Whither of Man" by John Mason Tyler
Birds probably enjoy the pulsation of their singing rather than its sound.
"The Life of Reason" by George Santayana
Softly touching the delicate wrist in its dainty frill, he noted the somewhat fitful pulsations of the disturbed life-centers.
"Idle Hour Stories" by Eugenia Dunlap Potts
She wilted into a corner of the sofa, and he strode over to the fire, stood gazing blindly at the pulsating embers.
"The Three Black Pennys" by Joseph Hergesheimer
The swift pulsations of a generous heart generally do lead to trouble if not well steadied by sound judgment.
"Windjammers and Sea Tramps" by Walter Runciman
Such a generator is termed a "direct-current" generator or a "pulsating-current" generator.
"Cyclopedia of Telephony & Telegraphy Vol. 1" by Kempster Miller
He had heard nothing except the pulsations of the blood in his own overwrought brain.
"'Doc.' Gordon" by Mary E. Wilkins-Freeman
And by the increased debility of the pulsations of the heart and arteries during the operation of an emetic.
"Zoonomia, Vol. I" by Erasmus Darwin
After what seemed to be a long period of repose, the stone awoke, with new pulsations and finer emotions thrilling within it.
"Allegories of Life" by Mrs. J. S. Adams
His heart beat powerfully, his pulsations were strong and rapid, and his brain felt burning and tumultuous.
"The Black Baronet; or, The Chronicles Of Ballytrain The Works of William Carleton, Volume One" by William Carleton
A spasm of delight pulsated.
"The Lords of the Ghostland" by Edgar Saltus
No longer did it pulsate with mingled delicious emotions of devotion and trust.
"Menotah" by Ernest G. Henham
Seventy pulsations to a minute: sound travels at roughly 365 yards to a second.
"Billy Barcroft, R.N.A.S." by Percy F. Westerman
The sensitive on one side receives the pulsations of thought from the other, through and by means of the psychic ether.
"Studies in the Out-Lying Fields of Psychic Science" by Hudson Tuttle
It was cold, and the pulsations at the wrist made him think of a frightened, fluttering bird.
"The Gray Phantom's Return" by Herman Landon
In the examination of arteries it is well to inspect the body for the pulsations caused by them.
"Arteriosclerosis and Hypertension:" by Louis Marshall Warfield
***

In poetry:

And in her bright veins seemed to run,
Pulsating, glowing,
The music of the wind and sun,
And waters flowing.
"The River Maiden" by Victor James Daley
bearing on itself a bright pulsation,
which in the blond ran shyly to the back.
But suddenly the shade was deep,
and nearby eyes lay gazing
"Encounter In The Chestnut Avenue" by Rainer Maria Rilke

She lives--that first pulsation of the heart
Is life!--receive, dear babe, thy destin'd part;
Yet frail thy being as the op'ning rose
When chill the rude wind blows.
"Lines To Helen," by Helen Maria Williams
In their feverish exultations,
In their triumph and their yearning,
In their passionate pulsations,
In their words among the nations,
The Promethean fire is burning.
"Prometheus, Or, The Poet's Forethought. (Birds Of Passage. Flight The First)" by Henry Wadsworth Longfellow
Whimsy and song in my little gray study!
Words out of wonderland, praising her fineness,
Touched with her pulsating, delicate laughter,
Saying, "The girl is all daring and kindness!"
"Rhymes For Gloriana" by Vachel Lindsay
Whimsy and song in my little gray study!
Words out of wonderland, praising her fineness,
Touched with her pulsating, delicate laughter,
Saying, “The girl is all daring and kindness!”
"On Suddenly Receiving A Curl Long Refused" by Vachel Lindsay

In news:

Ripple chamber technology produces between 40-60% less pressure and flow pulsation than comparable pumps.
The a pulsating two-minute reel previewed the first seven episodes of the freshman drama and was screened at New York Comic-Con.
More than 100 video game screens blanket the walls, pulsating with flashing lights.
And all this came after a pulsating and.
It never fails to amaze me what a miraculous, diversely vibrant world we live in, pulsating with all forms of energetic life.
Pulsating music thumped through the blue haze of cigarette smoke and strobe lights of the Lotus Club.
(FORTUNE Magazine) – FIRST you hear the pulsating thunder of three dozen unmuffled Harley-Davidsons snaking around the bend.
Moshe Givati's work is a revelation: dynamic, throbbing with life, pulsating with meaning.
The single- ferrule design is ideal for applications under high vibration or pulsation.
Performance pressure gauges eliminate pointer flutter in the presence of pump pulsation and high vibration.
ELMONT — Ever since a pulsating second-place finish in the Kentucky Derby, Ice Box has lived up to his name.
Mofongo is only the beginning at this pulsating Washington Heights bar and restaurant.
What do you get when you take the see-and-be-seen vibe of AZ88, add the pulsating music and blinding white glamour of Asia de Cuba, and roll it all up in a futuristic sushi mat.
Virtuoso visuals, pulsating music and muscular acting drive director Mark Pellington's Premieres section drama about middle-aged male disappointment.
A 1713 treatise, "Diseases of Tradesmen," lists afflictions like "rupture of the groin" and "pulsations of the brain".
***

In science:

In reality, dust shells are expected to have heterogeneities and anisotropies in their density structure as a result of pulsation-driven dust formation and the ensuing hydrodynamic turbulent effects (e.g.
Silicon carbide absorption features: dust formation in the outflows of extreme carbon stars
In addition, while pulsation shocks are predicted to have a strong effect on local conditions (e.g.
Silicon carbide absorption features: dust formation in the outflows of extreme carbon stars
As will be seen in § 4, the spatial scale of the heterogeneities is small and the timescale for pulsations is short compared to the timescales associated with even the thinnest dust shells.
Silicon carbide absorption features: dust formation in the outflows of extreme carbon stars
While pulsation shocks are predicted to have a strong effect on local conditions (e.g.
Silicon carbide absorption features: dust formation in the outflows of extreme carbon stars
The physics of oscillations in a variety of magnetic structures of the Sun is similar to that of pulsations of stars that posses strong magnetic fields, such as roAp star s.
Magnetic fingerprints of solar and stellar oscillations
In addition, several stars pulsate with frequencies exceeding the acoustic cut-off predicted by stellar models .
Magnetic fingerprints of solar and stellar oscillations
We studied a grid with the magnetic fi eld strength B varying from 1 to 7 kG, its inclination varying between 0 and 60 degrees and pulsation frequencies between 1.25 and 2.8 mHz (below and above the cut-off frequency of this simulated star).
Magnetic fingerprints of solar and stellar oscillations
Fig. 6 gives the amplitudes and phases of the horizontal and vertical velocities as a function of the optical depth for different field strengt hs and inclinations obtained in the simulations with the pulsation period of 360 sec.
Magnetic fingerprints of solar and stellar oscillations
The disc-integrated velocity signal produced by the atmospheric pulsations of such a star would depend in a complex way on the inclination of the magnetic axis with respect to the observational line of sight and needs a further study.
Magnetic fingerprints of solar and stellar oscillations
We have applied this code to study the role of different solar magnetic structures concerning wave energy transport to the upper atmosphere; interpretation of local helioseismology measurements in solar active regions; pulsations of magnetic roAp stars.
Magnetic fingerprints of solar and stellar oscillations
Ap star bold“Abundance strati fication and pulsation in the a math gamma Equulei ”, Astron.
Magnetic fingerprints of solar and stellar oscillations
We interprete the missing line broadening in terms of collective pulsational velocity broadening due to nonradial gravity-mode oscillations.
On the origin of macroturbulence in hot stars
We also point out that the rotational velocity can be seriously underestimated whenever the line profiles are fitted assuming a Gaussian macroturbulent velocity rather than an appropriate pulsational velocity expression.
On the origin of macroturbulence in hot stars
In fact, for pulsating stars along the main sequence, one also needs to add some level of macroturbulence whenever one ignores (some of ) the detected pulsations in line profile fitting of time-resolved or averaged spectra (e.g., Aerts & De Cat 2003; Morel et al. 2006 ).
On the origin of macroturbulence in hot stars
The pulsational broadening ignored in the line profile fits is compensated by allowing a macroturbulent velocity.
On the origin of macroturbulence in hot stars
***