Dewar

Definitions

  • WordNet 3.6
    • n Dewar vacuum flask that holds liquid air or helium for scientific experiments
    • n Dewar Scottish chemist and physicist noted for his work in cryogenics and his invention of the Dewar flask (1842-1923)
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: Hostess Twinkies were invented in 1931 by James Dewar, manager of Continental Bakeries' Chicago factory. He envisioned the product as a way of using the company's thousands of shortcake pans which were otherwise employed only during the strawberry season. Originally called Little Shortcake Fingers, they were renamed Twinkie Fingers, and finally "Twinkies."
    • Dewar A double-walled glass vessel for holding liquid air, liquid nitrogen, etc., having the space between the walls exhausted so as to prevent conduction of heat, and sometimes having the glass silvered to prevent absorption of radiant heat; -- called also, according to the particular shape, Dewar bulb Dewar tube, etc.
    • ***

Etymology

Webster's Revised Unabridged Dictionary
After Sir James Dewar, British physicist

Usage

In literature:

Dewar was a butcher by trade, a young man, some eighteen months married, and father of a baby girl.
"A Book of Remarkable Criminals" by H. B. Irving
DEWAR, John, inventor of a popular Scotch beverage without which no cold day is complete.
"Who Was Who: 5000 B. C. to Date" by Anonymous
It was afterwards set by Dewar, whether with the same accompaniments or not, I have forgot.
"The Modern Scottish Minstrel, Volumes I-VI." by Various
By James Dewar, F.R.S.E., F.C.S., Lecturer on Chemistry, Edinburgh.
"The Education of American Girls" by Anna Callender Brackett
Dewar, Captain E. J., 287, 292.
"History of the War in South Africa 1899-1902 v. 1 (of 4)" by Frederick Maurice
This instrument has been very kindly lent to me by Professor Dewar.
"The Story of a Tinder-box" by Charles Meymott Tidy
DEWAR, SIR JAMES (1842- ), British chemist and physicist, was born at Kincardine-on-Forth, Scotland, on the 20th of September 1842.
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3" by Various
As has been said, it was by adopting this principle of self-intensive refrigeration that Professor Dewar was able to liquefy hydrogen.
"A History of Science, Volume 5(of 5)" by Henry Smith Williams
Liquid hydrogen was first collected by J. Dewar in 1898.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 7" by Various
Heans had been entangled in the signal line, but he managed to release himself, and Dewar bobbed up a few seconds later.
"The Book of Buried Treasure" by Ralph D. Paine
She had an old fifth of Dewar's in the cabinet.
"Syndrome" by Thomas Hoover
B, Dewar flask for constant temperature junctions.
"The Nature of Animal Light" by E. Newton Harvey
E. H. Dewar, author of a work published at Oxford in 1844, on the Theology of Modern Germany.
"Toronto of Old" by Henry Scadding
DEWAR FLASK, a flask devised by Dewar for the examination of liquefied gases.
"The New Gresham Encyclopedia" by Various
SIR JAMES DEWAR, F.R.S.
"The Pros and Cons of Vivisection" by Charles Richet
There was another case also, nailed up and branded with the name of John Dewar and Sons.
"The Claw" by Cynthia Stockley
Sir James Dewar found the critical pressure of carbon to be about 15 tons on the sq.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5" by Various
Mr Dewar was an officer of a very old and obsolete type.
"Harry Milvaine" by Gordon Stables
DeWars, Mr., II, 224.
"Julia Ward Howe" by Laura E. Richards
We have had no experience with it in the treatment of ordinary cases, though Dewar claims that it shortens the attack.
"A System of Practical Medicine by American Authors, Vol. I" by Various
***

In poetry:

Professor Dewar
Is a better man than you are.
None of you asses
Can condense gases
"Clerihew – Dewar" by Edmund Clerihew Bentley
Far away from stricken Memphis
Came the tidings sad and sure
That among the many fallen,
Fell the clansman Norman Dewar
"Death Of Norman Dewar" by Nora Pembroke
Praise thy sons, dear old Glengarry,
Prompt to do, calm to endure;
And among your very noblest,
Set God's hero Norman Dewar.
"Death Of Norman Dewar" by Nora Pembroke
There were men who felt God's pity,
Strong to do and to endure,
And among these brave and noble,
At his post stood Norman Dewar
"Death Of Norman Dewar" by Nora Pembroke

In news:

Another Taste of Dewar 's.
Phoebe Ann Dewar and Dwaron O'Neil Williams, both of Campbellsville, will exchange wedding vows on Saturday, Dec 29.
Bacardi Finalizes Land Buy For Dewar 's Facilities.
Allen Dewar , of 510 Wells St, died today.
Among his survivors is his wife, Anne Crumpler Dewar .
Dewar 's White Label Holiday Gift Pack.
The Dewar 's Holiday Gift Pack is a gift you can genuinely love.
Dewar's Signature is a little-known ultra-blend Scotch, the label's top of the line.
Dr William Dewar, of Paupack, PA. And John Stopka, of Montrose, PA, planted a serviceberry tree during the recent CCC Festival at Promised Land State Park.
Twinkies were invented basically because a bakery manager named James Dewar wanted to get more use out of his shortcake pans.
Dewar said in an interview he was "startled" by Baird's response.
Fasken Expands in South Africa by Merging with Johannesburg 's Bell Dewar.
The church was full, the occasion was emotional and all eyes were on her, but Debbie Loyd Dewar called on her training as a lawyer.
Projecting the Pride of Dewar.
Now that he's signed, what kind of player will Dewar's Ronnell Lewis be for Oklahoma.
***

In science:

The setup (Figure 6) comprises a 1 T magnet called PCMAG, which is currently run using persistent current and a LHe reservoir, that is filled using LHe dewars.
Development of a TPC for an ILC Detector
Due to its low stopping power, roughly 12 m of LN is required to shield the crystals from the ambient γ -ray flux at the intended experimental site at Gran Sasso. A test of the naked operation of a crystal in a 50 l dewar has been successful[42,43].
Neutrino Mass Patterns and Future Double-Beta Decay Experiments
The main part of the satellite is a huge dewar which maintains a cryogenic environment for 18 months.
General Relativity in Space and Sensitive Tests of the Equivalence Principle
The main part of the experimental payload located inside the dewar are gyroscopes made from superconducting rotating spheres and a telescope.
General Relativity in Space and Sensitive Tests of the Equivalence Principle
The external cylindric tanks are liquid nitrogen dewars, whereas inner cylinders are the copper cryostats containing germanium detectors.
Recent advances in neutrinoless double beta decay search
Then, with system transmission functions, which include atmospheric extinction, mirror reflectivities, filter functions, dewar windows, and the detector quantum efficiencies, calculate synthetic magnitudes as close as possible to the observed natural system.
An Atlas of Spectrophotometric Landolt Standard Stars
JS , H , and KS filter transmissivities, a Rockwell NICMOS2 QE response function, two aluminum reflections, a Dewar window transmissivity, multiple reflections associated with optical elements within the C40IRC camera, and an atmospheric line opacity spectrum.
An Atlas of Spectrophotometric Landolt Standard Stars
Fig. 7.— Infrared passbands corresponding to Persson et al. (1998) JS , H , and KS transmission functions, a NICMOS2 QE, multiple mirror reflections, a Dewar window transmissivity, and an atmospheric line opacity spectrum.
An Atlas of Spectrophotometric Landolt Standard Stars
Schematic of the cryogenic dewar, mounted in the rotation table.
Rotating Resonator-Oscillator Experiments to Test Lorentz Invariance in Electrodynamics
Inside the dewar a schematic of the two orthogonally orientated resonators is shown, along with the Poynting vectors of propagation S1 and S2 .
Rotating Resonator-Oscillator Experiments to Test Lorentz Invariance in Electrodynamics
Due to dewar rotation, the OTF data are not not evenly sampled, and so a convolution and regridding algorithm has to be applied to the data to obtain spectra on a regularly sampled grid.
The COMPLETE Survey of Star-Forming Regions: Phase I Data
It consists of two 2K x 4K orthogonal transfer CCDs mounted together in a single dewar.
Discovery of two new accreting pulsating white dwarf stars
Examples include Dewar windows, lenses, filters, polarization modulators, and feedhorns (which are horn antennas used to collect light from telescopes).
The Cosmic Microwave Background for Pedestrians: A Review for Particle and Nuclear Physicists
After the intervention on SPG, and the complete cooling of the whole SPG/DET dewar, a proper alignment was performed between the detector (DET) and the spectrograph (SPG) to provide a well focused image of the input slit on the detector and to align it along a the pixel line.
AMBER Task Force February 2008 run report
The remaining ghost is most probably due to internal reflexion inside the spectrograph dewar and it cannot be removed by any alignment of the warm optics.
AMBER Task Force February 2008 run report
***