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in vacuo


  • WordNet 3.6
    • adv in vacuo in a vacuum
    • adv in vacuo in isolation and without reference to anything else
    • ***
Webster's Revised Unabridged Dictionary
    • In vacuo (Physics) In a vacuum; in empty space; as, experiments in vacuo .
    • ***


Webster's Revised Unabridged Dictionary


In literature:

Indeed, it was produced in vacuo, which insured both its steadiness and its intensity.
"Twenty Thousand Leagues under the Sea" by Jules Verne
Carbon crucible kept brilliantly incandescent by current in vacuo, for obtaining reaction with refractory metals.
"Edison, His Life and Inventions" by Frank Lewis Dyer and Thomas Commerford Martin
A man, remember, is not a being in vacuo; he is the fruit and slave of the environment that bathes him.
"In Defense of Women" by H. L. Mencken
Marshall's task naturally was not performed in vacuo: he owed much to the preconceptions of his contemporaries.
"John Marshall and the Constitution" by Edward S. Corwin
They had considered man in vacuo.
"The Idea of Progress" by J. B. Bury
"A Study of Shakespeare" by Algernon Charles Swinburne
Films of air attach themselves obstinately to the surfaces, and escape but slowly even in vacuo.
"Scientific American Supplement, No. 711, August 17, 1889" by Various
Improved Apparatus for iodizing paper in vacuo, according to Mr. Stewart's instructions.
"Notes and Queries, No. 179. Saturday, April 2, 1853." by Various
Improved Apparatus for iodizing paper in vacuo, according to Mr. Stewart's instructions.
"Notes and Queries, Number 180, April 9, 1853" by Various
Improved Apparatus for iodizing paper in vacuo, according to Mr. Stewart's instructions.
"Notes and Queries, No. 181, April 16, 1853" by Various
It is prepared by treating a mixture of citral and acetone with barium hydrate, and distilling in vacuo.
"The Handbook of Soap Manufacture" by W. H. Simmons
Improved Apparatus for iodizing paper in vacuo, according to Mr. Stewart's instructions.
"Notes and Queries, Number 182, April 23, 1853" by Various
The above are the true weights corrected for the effect of the buoyancy of the air, or the weight in vacuo.
"Steam, Its Generation and Use" by Babcock & Wilcox Co.
It does not, however, require to have been distilled in vacuo.
"On Laboratory Arts" by Richard Threlfall
A third method of decomposing the boracic acid consisted in burning potassium in contact with it in vacuo.
"Conversations on Chemistry, V. 1-2" by Jane Marcet
When inverted, the ingredients were commingled in vacuo and a vast volume of gas was liberated.
"Humorous Ghost Stories" by Dorothy Scarborough
In the interior of refracting media it exists in a state of less elasticity compared with its density than in vacuo.
"History of the Intellectual Development of Europe, Volume II (of 2)" by John William Draper
The "economic motive," as already indicated, if left free to work in vacuo, would lead us to anarchy.
"Social Value" by B. M. Anderson
It is possible that, while the specific gravity in air is equal to that of the atmosphere, the specific gravity in vacuo may be zero.
"Strange Stories" by Grant Allen
This was evaporated in vacuo and taken in water and fed to a rabbit weighing 1,459.9 grams.
"Barium, A Cause of the Loco-Weed Disease" by Albert Cornelius Crawford

In science:

And it is well known that the law of propagation in vacuo of an electromagnetic signal – i.e., the law of propagation of an electromagnetic wave front – is one of the basic tenet of special relativity (SR), whose interval ds2 includes consequently the geometrical optics of light propagation in empty space (see e.g. ).
Geometrical optics in general relativity
If eq.(1) is re-interpreted as an expression of spacetime interval of Minkowskian world referred to a system of general co-ordinates (x0, x1, x2, x3 ), sect.2. gives a formulation of the geometrical optics in vacuo as it is described by special relativity.
Geometrical optics in general relativity
First, the presence of the degenerate 1-fermions affects scattering in the particle-particle and hole-hole channel and also scattering in the particle-hole channel, but the effects of occupancy of intermediate states cancel in the total, which to second order is given in terms of the T -matrix in vacuo.
Clock shifts in a Fermi gas interacting with a minority component: a soluble model
The physics of such oscillations, in matter rather than in vacuo, has important implications for the understanding of supernova shocks (Nunokawa et al. 1997).
Supernova Remnants, Pulsars and the Interstellar Medium - Summary of a Workshop Held at U Sydney, March 1999
There are other ways of seeing how such a non-trivial refractive index in vacuo might arise.
Testing Fundamental Physics with High-Energy Cosmic Rays
We define Einstein locality by the following postulate: no influence can be exerted by actions in one station S1 on events in a spatially separated station S2 (and vice versa) with a speed that exceeds that of light in vacuo.
Comment on Mermin's Recent Proof of the Theorem of Bell
Naturally clocks in the different stations can show correlated, even identical, times without violating Einstein locality which only requires that no influences are exerted with a speed faster than that of light in vacuo.
Comment on Mermin's Recent Proof of the Theorem of Bell
The tetrahedron has refractive index m = 1.33 + 0.01i, has edges of length s = 7.849λ, where λ is the wavelength of the incident light in vacuo, and is oriented with an angle θ = 30◦ between kin and ˆa1 .
Astrophysics of Dust in Cold Clouds
According to that scheme, Lorentz invariance is violated by assigning different maximal speeds to different particle species (for instance, to electrons and photons), none of them or some of them being equal to what is known to be the speed of light in vacuo.
The Mysteries of the Highest Energy Cosmic Rays
In many cases the propagation of neutrinos does not take place in vacuo but in matter.
Future neutrino oscillation facilities
In stochastic space-time models of QG the light cone may fluctuate, leading to decoherence and quantum fluctuations of the speed of light in “vacuo”.
CPT and Quantum Mechanics Tests with Kaons
Potential sensitivity of gamma ray burster observations to wave dispersion in vacuo.
Loop Quantum Gravity: An Inside View
It is sometimes useful to replace the entire beam line under consideration by an equivalent source drifting to the depth of interest in vacuo.
Techniques of Proton Radiotherapy: Transport Theory
After any substantial drift in air or in vacuo the source distances from the measuring plane converge (Figure 18).
Techniques of Proton Radiotherapy: Transport Theory
The simplest approximation that is tacitly assumed in most of the discussions of long-distance quantum information processing is to treat photons as massless point particles that move on the rays prescribed by geometric optics (e.g., null geodesics in vacuo) and carry transversal polarizations.
Fundamental quantum optics experiments conceivable with satellites -- reaching relativistic distances and velocities