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propagator

Definitions

  • WordNet 3.6
    • n propagator someone who spreads the news
    • n propagator someone who propagates plants (as under glass)
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: The Nobel Prize resulted from a late change in the will of Alfred Nobel, who did not want to be remembered after his death as a propagator of violence - he invented dynamite.
    • n Propagator One who propagates; one who continues or multiplies.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The banana tree cannot reproduce itself. It can be propagated only by the hand of man.
    • n propagator One who propagates; one who continues by generation or successive production; one who causes something to extend or spread; a promoter; a diffuser: as, a propagator of heresies. The name is given to one whose business is the propagation of plants in nurseries, etc., by budding, grafting, etc.
    • ***

Quotations

  • Joseph Addison
    Joseph%20Addison
    “The most violent appetites in all creatures are lust and hunger; the first is a perpetual call upon them to propagate their kind, the latter to preserve themselves.”
  • O. S. Hawkins
    O. S. Hawkins
    “What makes a church great in the eyes of God? Participation, proclamation, preservation, and propagation. Every church ought to exhibit all four.”
  • J. I. Packer
    J. I. Packer
    “Our business is to present the Christian faith clothed in modern terms, not to propagate modern thought clothed in Christian terms. Confusion here is fatal.”
  • Alexander Pope
    Alexander%20Pope
    “Fix'd like a plan on his peculiar spot, to draw nutrition, propagate, and rot.”
  • Lord Byron
    Lord%20Byron
    “This is the patent age of new inventions for killing bodies, and for saving souls. All propagated with the best intentions.”
  • Samuel Johnson
    Samuel%20Johnson
    “Knowledge always demands increase; it is like fire, which must first be kindled by some external agent, but will afterwards always propagate itself.”

Etymology

Webster's Revised Unabridged Dictionary
L.: cf. F. propagateur,

Usage

In literature:

It may be propagated by seeds or cuttings.
"Gardening for the Million" by Alfred Pink
This rose is easily propagated by cuttings or layers, both of which root readily.
"Flowers and Flower-Gardens" by David Lester Richardson
Its business is to foster and propagate Christianity, and Christianity exists to establish in this world the kingdom of heaven.
"The Church and Modern Life" by Washington Gladden
War is put forth as a legitimate method of propagating the faith.
"Sacred Books of the East" by Various
Nearly all such preserves are maintained for the propagation of deer, quail, grouse, or pheasants.
"Our Vanishing Wild Life" by William T. Hornaday
Dr. Livingstone, probably helped to propagate the idea that he had sunk the missionary in the explorer.
"The Personal Life Of David Livingstone" by William Garden Blaikie
It is easily propagated from seeds ripened on cultivated plants.
"Cactus Culture For Amateurs" by W. Watson
But it must be clearly understood that, as an individual desirous of propagating truth, I have a right to demand an answer.
"Gold, Sport, And Coffee Planting In Mysore" by Robert H. Elliot
Under this heading I can think of nothing that appears more appropriate than the subject of the artificial propagation of fish.
"Peck's Compendium of Fun" by George W. Peck
It is his divine life, more than aught else, that underlies his apparitions and explains the influences which he propagates.
"The Life of Reason" by George Santayana
The persons chosen of God and sent forth to propagate the religion of Christ, were such as human wisdom would have judged very unsuitable.
"Sermons on Various Important Subjects" by Andrew Lee
He is only the propagator of portions of such a conception, and of the minor ideas which they suggest.
"Diderot and the Encyclopaedists (Vol 1 of 2)" by John Morley
We propagate and offer for sale upwards of sixty varieties, embracing the popular old sorts as well as the new ones which seem to have merit.
"American Grape Training" by Liberty Hyde (L.H.) Bailey
It is easily propagated.
"A Garden with House Attached" by Sarah Warner Brooks
This ideology gave the Nationalists a faith to propagate.
"Government in Republican China" by Paul Myron Anthony Linebarger
TRANSMISSION BY INHERITANCE AND PROPAGATION.
"The History of Creation, Vol. I (of 2)" by Ernst Haeckel
About thirty years ago a double Petunia was grown and propagated by cuttings.
"Talks about Flowers." by M. D. Wellcome
These are made of whiter and stouter glass than the common propagators, and are, of course, charged at a slightly advanced rate.
"The Book of the Aquarium and Water Cabinet" by Shirley Hibberd
One of them is strikingly like the propagation of plants by cuttings.
"The Catholic World. Volume III; Numbers 1, 2, 3, 4, 5, 6." by E. Rameur
It is now rarely propagated by seeds, which seldom ripen in this country.
"Woodland Gleanings" by Charles Tilt
***

In poetry:

A friend, who, weigh'd with yours, must prize
Domitian's idle passion;
That wrought the death of teasing flies,
But ne'er their propagation.
"To the Virtuosi" by William Shenstone
Frogs and fat toads were there to hop or plod
And propagate in peace, an uncouth crew,
Where velvet-headed rushes rustling nod
And spill the morning dew.
"From House To House" by Christina Georgina Rossetti

In news:

The extraordinary earthquake that devastated parts of coastal Japan this morning has triggered tsunami activity currently propagating across the Pacific ocean.
Sexual propagation is starting plants from seed.
Specifically, I decided to make her a terrarium with succulents propagated from our garden.
Josh McCullough of PhytoPhoto teaches a propagation class at Leach.
Joshua McCullough, former propagator at the once-celebrated Heronswood Nursery (back when it was still owned by Dan Hinkley and his partner) and later, nursery manager at Cistus Design Nursery is teaching a hands-on plant propagation class.
How can I propagate or repot my African violets.
ABC Will Propagate False Information, Contradict Science if First Episode of "Eli Stone" Airs as Written.
I propagated the seeds in our greenhouse early in the spring and planted four healthy seedlings outdoors in June.
Lupin Seedlings Newly propagated lupin seeds.
Department of Error Propagation .
Remote changes propagate in near real time.
We offer many types of hydroponic supplies, including lighting, nutrients, propagation, systems, components, ventilation, seeds, and growing media.
The 15/8-inch-deep tray has fluted walls for extra strength and is ideal for propagation with 25-mm Ellepots.
Some scientists believe this is the parasite 's way of assuring its survival and propagation, since the consumed rat then infects the cat, which through its feces can infect the food that other rats might then proceed to eat.
What makes old people cynical is listening to the exact same lies being propagated year after year—and seeing them be just as effective as they ever were.
***

In science:

There are two propagators, the pure gravity propagator and one with an extra delta function that determines the path of the Wilson loop.
Wilson loops, geometric operators and fermions in 3d group field theory
The dotted lines connect with the vector field propagator while the gravity fields use the usual propagator, note that this means the vector field cannot propagate to the gravity field.
Wilson loops, geometric operators and fermions in 3d group field theory
Together with the propagators of the two photons, this constitutes the effective propagator.
Radiative-nonrecoil corrections of order alpha^2 (Z alpha)^5 to the Lamb shift
Since the program FIRE deals only with standard propagators, when using it we worked only with one of the nucleus propagators, instead of the Dirac delta of the effective propagator.
Radiative-nonrecoil corrections of order alpha^2 (Z alpha)^5 to the Lamb shift
Working with just one of the propagators is enough for this purpose, as the IBP method is insensitive to the iǫ prescription (remember from Eq. (2) that in our approximation this is the only difference between the two propagators).
Radiative-nonrecoil corrections of order alpha^2 (Z alpha)^5 to the Lamb shift
Since each diagram in Figs. 1 and 2 represents the subtraction of two integrals that only differ in the nucleon propagator, when applying the IBP method we can set to zero any resulting integral in which the propagator 1/(2k · N + iǫ) disappears.
Radiative-nonrecoil corrections of order alpha^2 (Z alpha)^5 to the Lamb shift
It is then obvious that the result of the integral in Eq. (52) is the propagation kernel that propagates φR (x) at tE = ǫ to φ′ R (x) at tE = (2π/κ) − ǫ in the Rindler time.
Thermodynamical Aspects of Gravity: New insights
If we take the subset of diagrams which have the gluon loop propagator i and if we remove from each diagram of this subset the loop propagator i we obtain a set of tree diagrams.
A simple formula for the infrared singular part of the integrand of one-loop QCD amplitudes
In Hermitian quantum mechanics one introduces a retarded propagator G(x′, t′ ; x, t) that propagates a wave function ψ(x, t) at time t to a wave function ψ(x′, t′ ) at a later time t′ according to ψ(x′, t′ ) = i R dxG(x′, t′ ; x, t)ψ(x, t).
PT symmetry as a necessary and sufficient condition for unitary time evolution
A shock wave is a type of fast-propagating nonlinear disturbance that carries energy and can propagate through a medium (or, field).
Adaptive Wave Models for Option Pricing Evolution: Nonlinear and Quantum Schr\"odinger Approaches
We refer to this term as an nth order contribution, even though we use renormalized propagators, which may give rise to contributions of higher order in V1 when expressed in terms of bare propagators.
Clock shifts in a Fermi gas interacting with a minority component: a soluble model
The denominator of charm quark propagator indicates how off-shell the propagator is.
$R_{AA}$ of $J/\psi$ near mid-rapidity in heavy ion collisions at $\sqrt{s_{NN}}=200$ GeV
As for the formula for adding quantum resistors in parallel, Arnovas and collaborators have demonstrated, via a redefinition of a transfer matrix to quantify vertical propagation (as opposed to horizontal propagation in the series case), that the transmission probability is interchanged with the reflection probability.
Quantum $k$-core conduction on the Bethe lattice
Unruh has shown that the propagation of sound waves in a hypersonic fluid is equivalent to the propagation of scalar waves in a black hole spacetime .
Analog model for quantum gravity effects: phonons in random fluids
However the way of approaching the saturation value shows that, while there is a maximal velocity for signal propagation, in general not all modes responsible for the propagation of entanglement reach it.
Holographic Evolution of Entanglement Entropy
***