pinhole

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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. Nagujero m de alfiler
B. CPD pinhole camera Ncámara 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] ntrou 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.
verbpast 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.
References in periodicals archive ?
Benefits are said to include ease of mandrel ejection, low blow-off pressure, no pinholing, elimination of contamination and improved coupling retention.
While pinholing is a greater risk when thinner foils are used, PCFS offers high barrier durability and does not easily succumb to pinholing, according to the company.
"In comparison with HFC-14lb, HCF-245fa formulated to the same density offers finer cell structure less pinholing, and less creeping HFC-245fa foam has higher compressive strength (60 psi at pcf density).
Noting that most thin-wall castings are ductile or compacted graphite iron, their findings indicated: high mold densities are most advantageous for precision; mold densities increase with the use of compensating squeeze heads or jolt/squeeze heads; short gating systems reduce hydrogen pinholing problems; casting accuracies decrease with increasing number of cores; and core assembly and placement techniques are critical to accurate castings.
Current hose producers are said to have noticed longer ejection lengths, no pinholing, no build-up and cleaner tube surfaces, according to the company.
But even those foundries that have seen that happen in testing did not really have the pinholing problems that aluminum causes in iron castings."