• WordNet 3.6
    • n perforation the act of punching a hole (especially a row of holes as for ease of separation)
    • n perforation a line of small holes for tearing at a particular place
    • n perforation a hole made in something "a perforation of the eardrum"
    • ***
Webster's Revised Unabridged Dictionary
    • Perforation A hole made by boring or piercing; an aperture. "Slender perforations ."
    • Perforation The act of perforating, or of boring or piercing through.
    • ***
Century Dictionary and Cyclopedia
    • n perforation The act of boring or piercing through.
    • n perforation A hole bored; any hole or aperture passing through anything, or into the interior of a substance.
    • ***
Chambers's Twentieth Century Dictionary
    • n Perforation act of boring through: a hole through or into anything
    • ***


Webster's Revised Unabridged Dictionary
Cf. F. perforation,
Chambers's Twentieth Century Dictionary
L. perforāre, -ātumper, through, forāre, to bore.


In literature:

When the chowder is thoroughly done, take out with a perforated skimmer and put into a tureen.
"The Whitehouse Cookbook (1887)" by Mrs. F.L. Gillette
Really, to beat the perforations is so easy that it will make you smile.
"Disputed Handwriting" by Jerome B. Lavay
We carefully worked the wick ends through these perforations and drew them tight.
"The Light in the Clearing" by Irving Bacheller
First of all they gave him the task of emptying Dosmary Pool, supposed to be bottomless, with a small perforated limpet shell.
"From John O'Groats to Land's End" by Robert Naylor and John Naylor
One of those oblong blocks with a broad band of burnished silver at the binding of the perforated leaves.
"The Story of the Foss River Ranch" by Ridgwell Cullum
Then the priest parted his curtains and beckoned to me, and I moved across and stood stubbornly by the perforated brass grating.
"The Woman Thou Gavest Me" by Hall Caine
It is sufficient that I dislike the notion of being perforated.
"McClure's Magazine, Vol. 6, No. 5, April, 1896" by Various
The cupola is raised on a sort of drum composed of twelve pieces, perforated with round windows and supported on four massive piers.
"Sketches and Studies in Italy and Greece" by John Addington Symonds
The perforation of the intestines, which is caused by an ulcer eating its way through the wall of the intestines, is much more dangerous.
"Valere Aude" by Louis Dechmann
It is divided into two compartments by means of a horizontal, perforated false bottom made of wood.
"Scientific American Supplement No. 819" by Various

In poetry:

In the ‘Gangster’s last Bluff’ she said, “I’ve had enough,
I’ll just say good-bye to the flickers”
For the gangsters shot holes in her new camisoles
And then perforated her - undies.
"The Sobstuff Sister" by Billy Bennett
I dress the perforated shoulder, the foot with the bullet-wound,
Cleanse the one with a gnawing and putrid gangrene, so sickening,
so offensive,
While the attendant stands behind aside me holding the tray and pail.
"The Wound Dresser" by Walt Whitman

In news:

Expan Expanded & Perforated Metals Inc.
Laser coding system prints on OPP film without perforation.
SafeSept Transseptal Guide Wire Helps Perforate , Then Becomes Atraumatic.
Plastic Pellet Classifier with Perforated Fines Deck.
However, the condition is more likely to progress to a perforation in children younger than age four, according to previous research findings.
Perforated Materials In High-Purity IAQ Applications.
A perforation operation with dull punches can create burrs, and subsequent leveling can work-harden material excessively, which makes the perforated metal susceptible to cracking when bent.
Choosing a supplier that produces clean perforations makes life in the bending department a lot easier.
It features 41/59% perforation with a hole diameter of 0.06 in.
In multistage fracking, engineers perforate short segments of the production casing independently.
It is available in pads and rolls with easy-tear perforations.
Lab Guard medical specimen bags also feature patented TearZone easy-open feature which, unlike perforated bags, eliminates leaks at the tear area so that other specimens can't be soiled.
A case of a giant submandibular gland calculus perforating the floor of the mouth.
The Los Flamencos (LFa) 1005 well tested 7.1 MMcfd of gas with associated liquids from a 7 m (net) perforated interval.
An Orange Park man's heart was perforated by a pellet gun fired from a pellet gun being handled by a friend at a home on the Westside Thursday night, according to the Jacksonville Sheriff's Office.

In science:

Zhikov, On homogenization of nonlinear variational problems in perforated domains, Russian J.
Homogenized dynamics of stochastic partial differential equations with dynamical boundary conditions
Murray, “Distributed Kalman filtering in sensor networks with quantifiable perfor mance,” in 2005 Fourth International Symposium on Information Processing in Sensor Networks, 2005. M.
Geographic Gossip: Efficient Averaging for Sensor Networks
The module is a sandwich of alternating perforated stamped lead and injection-molded polystyrene-based scintillator plates.
An Improved Shashlyk Calorimeter
We use a characterization of the fractional Laplacian as a Dirichlet to Neumann operator for an appropriate differential equation to study its obstacle problem in perforated domains.
Random Homogenization of Fractional Obstacle Problems
Distributed Kalman filtering in sensor networks with quanti fiable perfor mance.
Order-Optimal Consensus through Randomized Path Averaging