pinhole

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Related to pinholes: Pinhole Photography

pin·hole

 (pĭn′hōl′)
n.
A tiny puncture made by or as if by a pin.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

pinhole

(ˈpɪnˌhəʊl)
n
1. a small hole made with or as if with a pin
2. (Archery) archery the exact centre of an archery target, in the middle of the gold zone
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pin•hole

(ˈpɪnˌhoʊl)

n.
1. a small hole made by or as if by a pin.
2. a hole for a pin to go through; tiny aperture.
[1670–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pinhole - a small puncture that might have been made by a pinpinhole - a small puncture that might have been made by a pin
puncture - a small hole made by a sharp object
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
ثَقْب صَغير
malá dírka
knappenåls-knappenålshul
tûhegynyi lyuk
nálargat
malá dierka
iğne deliği

pinhole

[ˈpɪnhəʊl]
A. N → agujero m de alfiler
B. CPD pinhole camera N → cámara f de agujero de alfiler
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

pinhole

[ˈpɪnhəʊl] n → trou m d'épingle
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

pin

(pin) noun
1. a short, thin, pointed piece of metal used eg to hold pieces of fabric, paper etc together, especially when making clothes. The papers are fastened together by a pin.
2. a similar but more ornamental object. a hat-pin.
verb – past tense, past participle pinned –
1. to fasten with a pin. She pinned the material together.
2. to hold by pressing against something. The fallen tree pinned him to the ground.
ˈpincushion noun
a small cushion or similar object into which pins are pushed for keeping.
ˈpinhole noun
a hole made by a pin. A pinhole camera does not need a lens.
ˈpinpoint verb
to place or show very exactly. He pinpointed the position on the map.
ˈpin-up noun
1. a picture of an attractive girl (or man), often pinned on a wall. He has dozens of pin-ups in his room; (also adjective) a pin-up girl.
2. the girl (or man). She's the favourite pin-up of the soldiers.
pin down
to make (someone) give a definite answer, statement, opinion or promise. I can't pin him down to a definite date for his arrival.
pins and needles
a tingling feeling in one's hands, arms, feet or legs. I've got pins and needles in my arm.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
Mentioned in ?
References in classic literature ?
Again and again I went carefully over every square inch of its surface, but the most that I could find was a tiny pinhole a little above and to the right of the door's center--a pinhole that seemed only an accident of manufacture or an imperfection of material.
I thought I knew, and, seizing a powerful magnifying glass from the litter of my pocket-pouch, I applied myself to a careful examination of the marble immediately about the pinhole in the door.
It was evident that for countless ages radium torches had been applied to this pinhole, and for what purpose there could be but a single answer--the mechanism of the lock was actuated by light rays; and I, John Carter, Prince of Helium, held the combination in my hand--scratched by the hand of my enemy upon his own torch case.
For fifty tals I let three units of light shine full in the pinhole, then one unit for one xat, and for twenty-five tals nine units.
View in context
Little Toomai turned, rustling in the fodder, and watched the curve of his big back against half the stars in heaven, and while he watched he heard, so far away that it sounded no more than a pinhole of noise pricked through the stillness, the "hoot-toot" of a wild elephant.
View in context
Since the Glide Right wraps around three sides of the corner of the door, it can even prevent costly door replacement by reducing splitting and keeping the pinholes from enlarging.
Glide Right. (What's new on the Marketplace)
It employs a combination of controlled infrared heating and convection to remove water and solvents from the coating, while eliminating the "pops" and pinholes that usually accompany quick drying.
Fresh From the Paint Oven. (Engineer)
In the scanning-disk-type confocal microscopes, multiple pinholes are located on a spinning Nipkow disk.
Digital unsharp masking reveals fine detail in images obtained with new spinning-disk confocal microscope
While you are wearing the pinhole glasses, they may briefly improve visual acuity, because the pinholes permit only light rays coming straight into the eye to hit the retina, so that depth of focus is improved.
And now, aerobic eye workouts
A thin steel aperture mask on the front includes precision-cut pinholes measuring 50, 100, 150, 200, and 250 microns that will guarantee you'll have the perfect "star" to adjust your optics with.
Collimation stars
The Opti-Check pigments will allow tank-lining applicators to check a coating instantly for pinholes, holidays, and other discontinuities, as well as verify uniform coverage and proper film thickness.
Optically Active Pigments
Sherwin-Williams Protective & Marine Coatings now offers its Opti-Check Optically Active Pigments (OAP) in a variety of coatings products, allowing tank lining applicators to check the coating instantly for pinholes, holidays and other discontinuities and verify uniform coverage and proper film thickness.
Sherwin-Williams expands family of coatings utilizing Opti-Check Optically Active Pigment technology

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