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cavity

Definitions

  • Section of the Right Nasal Cavity
    Section of the Right Nasal Cavity
  • WordNet 3.6
    • n cavity (anatomy) a natural hollow or sinus within the body
    • n cavity a sizeable hole (usually in the ground) "they dug a pit to bury the body"
    • n cavity soft decayed area in a tooth; progressive decay can lead to the death of a tooth
    • n cavity space that is surrounded by something
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: The chances of getting a cavity is higher if candy is eaten slowly throughout the day compared to eating it all at once and then brushing your teeth
    • Cavity A hollow place; a hollow; as, the abdominal cavity . "An instrument with a small cavity, like a small spoon""Abnormal spaces or excavations are frequently formed in the lungs, which are designated cavities or vomicæ."
    • Cavity Hollowness. "The cavity or hollowness of the place."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin
    • n cavity A hollow place; a hollow; a void or empty space in a body: as, the abdominal cavity; the thoracic cavity; the cavity of the mouth.
    • n cavity The state of being hollow; hollowness.
    • n cavity In horticulture See basin, 12.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: Chocolate not only does not promote tooth decay, it might prevent it. According to the American Dental Association, milk chocolate contains ingredients, such as calcium and phosphate, that might modify acid production in the mouth that leads to cavities. Some oils in chocolate might also prevent tooth decay. Chocolate does contain sugar, of course, but these are simple sugars that are less harmful than the complex sugars contained in other foods.
    • n Cavity kav′it-i a hollow place: hollowness: an opening
    • ***

Etymology

Webster's Revised Unabridged Dictionary
L. cavus, hollow: cf. F. cavité,
Chambers's Twentieth Century Dictionary
L. cavitas, -tatemcavus, hollow.

Usage

In literature:

Whether this cavity is entirely filled by the brain, may be doubted.
"The Variation of Animals and Plants Under Domestication, Vol. I." by Charles Darwin
Only then was I enabled to re-open the cavity.
"The Great White Queen" by William Le Queux
A cavity such as are so common in oaks, would furnish a good place for hiding the envelope away.
"The Girl and The Bill" by Bannister Merwin
The middle part of it, formed designedly into a bag or cavity, that the sail may gather more wind.
"The Sailor's Word-Book" by William Henry Smyth
The cavity is deep, graceful and well moulded, holding the good stem securely.
"The Apple-Tree" by L. H. Bailey
On examining the stump, I found a deep cavity just inside of the decaying bark.
"Our Bird Comrades" by Leander S. (Leander Sylvester) Keyser
The rectal muscular fibres perform the office of a sphincter for the sigmoid cavity.
"Intestinal Ills" by Alcinous Burton Jamison
Caviti was once a place of great importance, having been the capital of Luzon, from whence the galleons conveyed the treasure to Spain.
"Borneo and the Indian Archipelago" by Frank S. Marryat
When cavities have already been formed, coughing comes easy and with abundant expectoration.
"Prof. Koch's Method to Cure Tuberculosis Popularly Treated" by Max Birnbaum
With increased actions of other cavities and membranes.
"Zoonomia, Vol. II" by Erasmus Darwin
Open the thoracic cavity by the aid of a fresh set of sterile instruments.
"The Elements of Bacteriological Technique" by John William Henry Eyre
The contour of the head is very nearly that of a semicircle, with its center an inch or more above the cavity of the ear.
"Buchanan's Journal of Man, December 1887" by Various
Randall and Lanier saw that they were being carried and dragged now toward the farther end of this larger cavity.
"Astounding Stories, April, 1931" by Various
The interior cavity f f f f, Fig.
"Elements of Chemistry," by Antoine Lavoisier
In the thickness of the heel was a small cavity out of which fell three closely folded scraps of paper.
"The Wolf Patrol" by John Finnemore
For it creates the largest possible cavity in which the lungs can expand.
"The Voice" by Frank E. Miller
In one hand he holds his gun, and in the other a torch, which he darts into the cavity.
"Illustrative Anecdotes of the Animal Kingdom" by Samuel Griswold Goodrich
This segment is indicated embryologically by its paired coelomic cavities.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6" by Various
That ice should liquefy at the surface of a cavity is, I think, in conformity with all we know concerning the physical nature of heat.
"The Glaciers of the Alps" by John Tyndall
The butcher should be directed to bone it, and the cavity should be filled with a good forcemeat.
"Paper-bag Cookery" by Vera Serkoff
***

In poetry:

The cavities of those great eyes knew all
That man can know.
And I think that those who wrote their runes
Were older than their stones.
For the wise are destroyed by fools.
"Avebury" by Dorothy Violet Wellesley
Their skulls were more beautiful than ours,
Their teeth finer, greater their fighting powers,
The cavities of their eyes beheld such skies,
Such trees, such flowers,
At which we in our infancy wonder;
"Avebury" by Dorothy Violet Wellesley
And the olden dark hid the cavities late laid bare,
And all was suspended and soundless as before,
Except for a gossamery noise fading off in the air,
And the boiling voice of the waters' medicinal pour.
"Aquae Sulis" by Thomas Hardy

In news:

Two series of bandstop and cavity filters offers center frequencies that can be re-adjusted by the user.
Why Multi-Cavity Molds Fill Unevenly .
Most wipers are manufactured with some variation of simple feathered-edge geometry of the sweep formed by the convergence of the tube cavity and the radius face.
Red-bellied, Downy Woodpecker, Hairy, and Pileated Woodpeckers eschew the wide-open spaces at night and like a nice cozy cavity.
File Photo An MSU engineer works on a niobium superconducting radio frequency cavity used for linear particle acceleration in a clean room at Michigan State University's National Superconducting Cyclotron Laboratory in this file photo.
Preschoolers in Surgery for a Mouthful of Cavities.
If that's sweet, then Lee Brice is feeling cavities.
Bipolar radiofrequency-induced interstitial thermoablation for oral cavity vascular malformations: Preliminary results in a series of 5 children.
When he was found, his spinal cord was exposed, both lung cavities were open and he had broken ribs on both sides.
Kids who drink a lot of bottled water may have more cavities than children who drink primarily tap water.
Lightly grease a 12 cavity muffin tin.
Fluoride in your water is essential to fight cavities.
It also has shown no effect on lowering cavities in the population.
Halloween cavities and candy corruption.
Dual-cavity bottle helps pay tribute to Jackie Robinson .
***

In science:

Another new feature is to separate the cavity vacuum from the insulation vacuum to reduce particulate contamination of the cavity surfaces. A recent development is the identification of beam steering due to the vertical asymmetry in QWR structures .
Niobium Quarter-Wave Resonator Development for The Rare Isotope Accelerator
We choose the detunings ∆, with |∆| ≫ {g, Ω0}, and assume that the cavity decay rate κ is smaller than any other frequency in the problem, so that we can ignore cavity damping during the atom-cavity manipulations.
Sequential generation of entangled multi-qubit states
The horseshoe is formed by the invariant manifolds (stable and unstable) of the hyperbolic fixed points of the cavity (the ones located at the edges of the cavity).
Design of switches and beam splitters using chaotic cavities
The difference between cavity energies when i is (is not) matched may be ±1 or 0 and those are the three possible values of cavity fields.
The number of matchings in random graphs
The RS cavity method gives the equations (32) for the cavity fields, easily derived from (33).
The number of matchings in random graphs
At this point, the independence assumption of all j ∈ N (i) in the cavity graph enters into the discussion: We consider their joint probability of simultaneously being covered in a minimal VC of the cavity graph Gi, and assume this quantity to factorize into Qj∈N (i) πj |i .
Message passing for vertex covers
Gi . A crucial assumption of SP is that clusters do not change dramatically by eliminating one vertex from the graph, i. e., by going back and forth between the full graph and the cavity graphs for different cavities.
Message passing for vertex covers
Due to the experimental improvement of the quality factors of the cavities, Rydberg atoms lifetimes and control of the atom-cavity interactions [3, 4, 5, 6], cavity quantum electrodynamics (CQED) is particularly indicated for quantum field state engineering.
Single-Shot Generation and Detection of a Two-Photon Generalized Binomial State in a Cavity
Eqs. (10) and (11), we find that after the Ramsey zone Rd the atom-cavity system undergoes the evolution TP, Rd−→ eiφ |p, φi| ↑i. | ↓i|2, p, φi In this way, the measurement of the excited atomic state | ↑i at the end of the sequence of Fig.2 corresponds to the detection of the 2GBS |2, p, φi inside the cavity.
Single-Shot Generation and Detection of a Two-Photon Generalized Binomial State in a Cavity
Moreover, because of the high generation probability of the 2GBS of Eq. (9) and being the typical atomic detection efficiency less than one (∼ 70% ÷ 80%), the use of atomic detectors to collapse the total state to the target cavity state cannot further reduce the uncertainty on the generated cavity state itself.
Single-Shot Generation and Detection of a Two-Photon Generalized Binomial State in a Cavity
Let us consider the cavity prepared in the 2GBS |2, p, φi and a probe two-level atom prepared in the state | ↓i that resonantly interacts with the cavity for a time TP = 41π/4g .
Single-Shot Generation and Detection of a Two-Photon Generalized Binomial State in a Cavity
In conclusion, we have shown that it is possible to generate, within the experimental errors in a non-conditional way, a two-photon generalized binomial state (2GBS) inside a single-mode cavity by using two consecutive two-level atoms interacting with the cavity each for a given time.
Single-Shot Generation and Detection of a Two-Photon Generalized Binomial State in a Cavity
Moreover, the presence inside the cavity of the 2GBS can be verified by a single-shot measurement scheme utilizing a probe two-level atom, prepared in its ground state, that resonantly interacts with the cavity for a given time and “reads” the cavity field state.
Single-Shot Generation and Detection of a Two-Photon Generalized Binomial State in a Cavity
The replica symmetric (RS) cavity method consists in computing the cavity marginals px i→a (viewed as variable-to-check messages) using a closed set of equations where check-to-variable messages are also introduced as intermediate quantities.
Geometrical organization of solutions to random linear Boolean equations
In particular, we consider two scenarios: photonic multi-qubit states sequentially generated at the cavity output of a single-photon source and atomic multi-qubit states generated by their sequential interaction with the same cavity mode.
Sequential Generation of Matrix-Product States in Cavity QED
***