Obturation

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Obturation The act of stopping up, or closing, an opening. "Deaf by an outward obturation ."
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Century Dictionary and Cyclopedia
    • n obturation The act of closing or stopping up, or the state or condition of being obstructed or closed.
    • n obturation Specifically, in gunnery, the act of closing a hole, joint, or cavity so as to prevent the flow of gas through it: as, the obturation of a vent, or of a powder-chamber. See fermeture, gas-check, obturator.
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Chambers's Twentieth Century Dictionary
    • ns Obturation the act of stopping up, esp. in gunnery, of a hole to prevent the escape of gas
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Etymology

Webster's Revised Unabridged Dictionary
L. obturare, to stop up: cf. F. obturation,
Chambers's Twentieth Century Dictionary
L. obturāre, -ātum, to stop up.

Usage

In literature:

Many curious forms of obturator or artificial palate are employed to remedy congenital defects.
"Anomalies and Curiosities of Medicine" by George M. Gould
Paralysis of the Obturator Nerve.
"Lameness of the Horse" by John Victor Lacroix
Then, to stop this "erosion," the obturating (sealing) primer came into use.
"Artillery Through the Ages" by Albert Manucy
I also never saw a case of localised obturator paralysis.
"Surgical Experiences in South Africa, 1899-1900" by George Henry Makins
Varieties of the obturator and epigastric arteries.
"Surgical Anatomy" by Joseph Maclise
The obturator-notch is sometimes, as in many tumblers, less developed than in the rock-pigeon.
"The Variation of Animals and Plants Under Domestication, Vol. I." by Charles Darwin
In some cases there is pain along the course of the obturator nerve.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
The dorsal part arises directly from the ischium along the dorsal edge of the obturator foramen.
"Myology and Serology of the Avian Family Fringillidae" by William B. Stallcup
De Bange obturator, an American invention, 217.
"Defenseless America" by Hudson Maxim
Inside the cannula is fixed by oxidation an obturator, which carries on its end a small handle fixed on in T-fashion.
"Surgical Instruments in Greek and Roman Times" by John Stewart Milne
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In news:

The E&Q Master Cordless Obturation System is designed for warm vertical and backfill obturation.
Mineral trioxide aggregate (MTA) has a variety of potential uses, including as a root canal obturating material.
The Beta Obturation device is designed for warm gutta-percha techniques, such as backfilling a canal with warm vertical obturation or with a complete fill technique (injecting from the apex up).
No other obturation material has been more trusted than gutta-percha.
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In science:

An exact and reliable consideration of the relation between structure (that is the codon usage bias indices), and the function encoded in a sequence is still obturated with the widest variety of the functions observed in different sites of a sequence.
Codon Usage Bias Measured Through Entropy Approach
Measurement can be done in a simple system , applying from the video generator a specific waveform (Waveform1-fig.1) or a "uniform grey" image obtained by TV camera's lens obturation .
Acquisition Accuracy Evaluation in Visual Inspection Systems - a Practical Approach
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